CCNA 2 v7 Modules 14 – 16: Routing Concepts and Configuration Test Online

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CCNA 2 v7 Modules 14 – 16: Routing Concepts and Configuration Test Online

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Question 1 of 48

1. Question
1 points
Which feature on a Cisco router permits the forwarding of traffic for which there is no specific route?
- next-hop
- gateway of last resort
- route source
- outgoing interface
Correct

Incorrect
Question 2 of 48

2. Question
1 points
Which three advantages are provided by static routing? (Choose three.)
- Static routing does not advertise over the network, thus providing better security.
- Configuration of static routes is error-free.
- Static routes scale well as the network grows.
- Static routing typically uses less network bandwidth and fewer CPU operations than dynamic routing does.
- The path a static route uses to send data is known.
- No intervention is required to maintain changing route information.
Correct

Incorrect
Question 3 of 48

3. Question
1 points
What are two functions of dynamic routing protocols? (Choose two.)
- to maintain routing tables
- to assure low router overhead
- to avoid exposing network information
- to discover the network
- to choose the path that is specified by the administrator
Correct

Incorrect
Question 4 of 48

4. Question
1 points
What is an advantage of using dynamic routing protocols instead of static routing?
- easier to implement
- more secure in controlling routing updates
- fewer router resource overhead requirements
- ability to actively search for new routes if the current path becomes unavailable
Correct

Incorrect
Question 5 of 48

5. Question
1 points
What happens to a static route entry in a routing table when the outgoing interface associated with that route goes into the down state?
- The static route is removed from the routing table.
- The router polls neighbors for a replacement route.
- The router automatically redirects the static route to use another interface.
- The static route remains in the table because it was defined as static.
Correct

Incorrect

Hint
When the interface associated with a static route goes down, the router will remove the route because it is no longer valid.
Question 6 of 48

6. Question
1 points
What is a characteristic of a static route that matches all packets?
- It uses a single network address to send multiple static routes to one destination address.
- It identifies the gateway IP address to which the router sends all IP packets for which it does not have a learned or static route.
- It backs up a route already discovered by a dynamic routing protocol.
- It is configured with a higher administrative distance than the original dynamic routing protocol has.
Correct

Incorrect

Hint
A default static route is a route that matches all packets. It identifies the gateway IP address to which the router sends all IP packets for which it does not have a learned or static route. A default static route is simply a static route with 0.0.0.0/0 as the destination IPv4 address. Configuring a default static route creates a gateway of last resort.
Question 7 of 48

7. Question
1 points
When would it be more beneficial to use a dynamic routing protocol instead of static routing?
- in an organization where routers suffer from performance issues
- on a stub network that has a single exit point
- in an organization with a smaller network that is not expected to grow in size
- on a network where there is a lot of topology changes
Correct

Incorrect

Hint
Dynamic routing protocols consume more router resources, are suitable for larger networks, and are more useful on networks that are growing and changing.
Question 8 of 48

8. Question
1 points
Which route would be used to forward a packet with a source IP address of 192.168.10.1 and a destination IP address of 10.1.1.1?
- C 192.168.10.0/30 is directly connected, GigabitEthernet0/1
- O 10.1.1.0/24 [110/65] via 192.168.200.2, 00:01:20, Serial0/1/0
- S* 0.0.0.0/0 [1/0] via 172.16.1.1
- S 10.1.0.0/16 is directly connected, GigabitEthernet0/0
Correct

Incorrect

Hint
Even though OSPF has a higher administrative distance value (less trustworthy), the best match is the route in the routing table that has the most number of far left matching bits.
Question 9 of 48

9. Question
1 points
Refer to the exhibit. What is the administrative distance value of the route for router R1 to reach the destination IPv6 address of 2001:DB8:CAFE:4::A?
- 120
- 110
- 1
- 4
Correct

Incorrect

Hint
The RIP route with the source code R is used to forward data to the destination IPv6 address of 2001:DB8:CAFE:4::A. This route has an AD value of 120.
Question 10 of 48

10. Question
1 points
Which value in a routing table represents trustworthiness and is used by the router to determine which route to install into the routing table when there are multiple routes toward the same destination?
- administrative distance
- metric
- outgoing interface
- routing protocol
Correct

Incorrect

Hint
The administrative distance represents the trustworthiness of a particular route. The lower an administrative distance, the more trustworthy the learned route is. When a router learns multiple routes toward the same destination, the router uses the administrative distance value to determine which route to place into the routing table. A metric is used by a routing protocol to compare routes received from the routing protocol. An exit interface is the interface used to send a packet in the direction of the destination network. A routing protocol is used to exchange routing updates between two or more adjacent routers.
Question 11 of 48

11. Question
1 points
A network administrator configures the interface fa0/0 on the router R1 with the command ip address 172.16.1.254 255.255.255.0. However, when the administrator issues the command show ip route, the routing table does not show the directly connected network. What is the possible cause of the problem?
- The interface fa0/0 has not been activated.
- No packets with a destination network of 172.16.1.0 have been sent to R1.
- The configuration needs to be saved first.
- The subnet mask is incorrect for the IPv4 address.
Correct

Incorrect

Hint
A directly connected network will be added to the routing table when these three conditions are met: (1) the interface is configured with a valid IP address; (2) it is activated with no shutdown command; and (3) it receives a carrier signal from another device that is connected to the interface. An incorrect subnet mask for an IPv4 address will not prevent its appearance in the routing table, although the error may prevent successful communications.
Question 12 of 48

12. Question
1 points
Refer to the graphic. Which command would be used on router A to configure a static route to direct traffic from LAN A that is destined for LAN C?
- A(config)# ip route 192.168.3.0 255.255.255.0 192.168.3.1
- A(config)# ip route 192.168.3.2 255.255.255.0 192.168.4.0
- A(config)# ip route 192.168.4.0 255.255.255.0 192.168.5.2
- A(config)# ip route 192.168.5.0 255.255.255.0 192.168.3.2
- A(config)# ip route 192.168.4.0 255.255.255.0 192.168.3.2
Correct

Incorrect

Hint
The destination network on LAN C is 192.168.4.0 and the next-hop address from the perspective of router A is 192.168.3.2.
Question 13 of 48

13. Question
1 points
On which two routers would a default static route be configured? (Choose two.)
- any router where a backup route to dynamic routing is needed for reliability
- the router that serves as the gateway of last resort
- any router running an IOS prior to 12.0
- stub router connection to the rest of the corporate or campus network
- edge router connection to the ISP
Correct

Incorrect

Hint
A stub router or an edge router connected to an ISP has only one other router as a connection. A default static route works in those situations because all traffic will be sent to one destination. The destination router is the gateway of last resort. The default route is not configured on the gateway, but on the router sending traffic to the gateway. The router IOS does not matter.
Question 14 of 48

14. Question
1 points
Refer to the exhibit. This network has two connections to the ISP, one via router C and one via router B. The serial link between router A and router C supports EIGRP and is the primary link to the Internet. If the primary link fails, the administrator needs a floating static route that avoids recursive route lookups and any potential next-hop issues caused by the multiaccess nature of the Ethernet segment with router B. What should the administrator configure?
- Create a static route pointing to 10.1.1.1 with an AD of 95.
- Create a fully specified static route pointing to Fa0/0 with an AD of 1.
- Create a fully specified static route pointing to Fa0/0 with an AD of 95.
- Create a static route pointing to 10.1.1.1 with an AD of 1.
- Create a static route pointing to Fa0/0 with an AD of 1.
Correct

Incorrect

Hint
A floating static route is a static route with an administrative distance higher than that of another route already in the routing table. If the route in the table disappears, the floating static route will be put into the routing table in its place. Internal EIGRP has an AD of 90, so a floating static route in this scenario would need to have an AD higher than 90. Also, when creating a static route to a multiaccess interface like a FastEthernet segment a fully specified route should be used, with both a next-hop IP address and an exit interface. This prevents the router from doing a recursive lookup, but still ensures the correct next-hop device on the multiaccess segment forwards the packet.
Question 15 of 48

15. Question
1 points
What is a characteristic of a floating static route?
- When it is configured, it creates a gateway of last resort.
- It is used to provide load balancing between static routes.
- It is simply a static route with 0.0.0.0/0 as the destination IPv4 address.
- It is configured with a higher administrative distance than the original dynamic routing protocol has.
Correct

Incorrect

Hint
Floating static routes are static routes used to provide a backup path to a primary static or dynamic route, in the event of a link failure. They must be configured with a higher administrative distance than the original dynamic routing protocol has. A default static route is simply a static route with 0.0.0.0/0 as the destination IPv4 address. Configuring a default static route creates a gateway of last resort.
Question 16 of 48

16. Question
1 points
What network prefix and prefix-length combination is used to create a default static route that will match any IPv6 destination?
- FFFF::/128
- ::1/64
- ::/128
- ::/0
Correct

Incorrect

Hint
A default static route configured for IPv6, is a network prefix of all zeros and a prefix mask of 0 which is expressed as ::/0.
Question 17 of 48

17. Question
1 points
Consider the following command:
```
ip route 192.168.10.0 255.255.255.0 10.10.10.2 5
```
What does the 5 at the end of the command signify?
- exit interface
- maximum number of hops to the 192.168.10.0/24 network
- metric
- administrative distance
Correct

Incorrect

Hint
The 5 at the end of the command signifies administrative distance. This value is added to floating static routes or routes that only appear in the routing table when the preferred route has gone down. The 5 at the end of the command signifies administrative distance configured for the static route. This value indicates that the floating static route will appear in the routing table when the preferred route (with an administrative distance less than 5) is down.
Question 18 of 48

18. Question
1 points
Refer to the exhibit. The routing table for R2 is as follows: Gateway of last resort is not set
```
10.0.0.0/30 is subnetted, 2 subnets
C 10.0.0.0 is directly connected, Serial0/0/0
C 10.0.0.4 is directly connected, Serial0/0/1
192.168.10.0/26 is subnetted, 3 subnets
S 192.168.10.0 is directly connected, Serial0/0/0
C 192.168.10.64 is directly connected, FastEthernet0/0
S 192.168.10.128 [1/0] via 10.0.0.6
```
What will router R2 do with a packet destined for 192.168.10.129?
- send the packet out interface FastEthernet0/0
- send the packet out interface Serial0/0/1
- drop the packet
- send the packet out interface Serial0/0/0
Correct

Incorrect

Hint
When a static route is configured with the next hop address (as in the case of the 192.168.10.128 network), the output of the show ip route command lists the route as “via” a particular IP address. The router has to look up that IP address to determine which interface to send the packet out. Because the IP address of 10.0.0.6 is part of network 10.0.0.4, the router sends the packet out interface Serial0/0/1.
Question 19 of 48

19. Question
1 points
An administrator issues the ipv6 route 2001:db8:acad:1::/32 gigabitethernet0/0 2001:db8:acad:6::1 100 command on a router. What administrative distance is assigned to this route?
- 0
- 1
- 32
- 100
Correct

Incorrect

Hint
The command ipv6 route 2001:db8:acad:1::/32 gigabitethernet0/0 2001:db8:acad:6::1 100 will configure a floating static route on a router. The 100 at the end of the command specifies the administrative distance of 100 to be applied to the route.
Question 20 of 48

20. Question
1 points
Refer to the exhibit. Which default static route command would allow R1 to potentially reach all unknown networks on the Internet?
- R1(config)# ipv6 route 2001:db8:32::/64 G0/0
- R1(config)# ipv6 route ::/0 G0/0 fe80::2
- R1(config)# ipv6 route 2001:db8:32::/64 G0/1 fe80::2
- R1(config)# ipv6 route ::/0 G0/1 fe80::2
Correct

Incorrect

Hint
To route packets to unknown IPv6 networks a router will need an IPv6 default route. The static route ipv6 route ::/0 G0/1 fe80::2 will match all networks and send packets out the specified exit interface G0/1 toward R2.
Question 21 of 48

21. Question
1 points
Refer to the exhibit. The network engineer for the company that is shown wants to use the primary ISP connection for all external connectivity. The backup ISP connection is used only if the primary ISP connection fails. Which set of commands would accomplish this goal?
- ip route 0.0.0.0 0.0.0.0 s0/0/0 ip route 0.0.0.0 0.0.0.0 s0/1/0
- ip route 0.0.0.0 0.0.0.0 s0/0/0 ip route 0.0.0.0 0.0.0.0 s0/1/0 10
- ip route 198.133.219.24 255.255.255.252 ip route 64.100.210.80 255.255.255.252 10
- ip route 198.133.219.24 255.255.255.252 ip route 64.100.210.80 255.255.255.252
Correct

Incorrect

Hint
A static route that has no administrative distance added as part of the command has a default administrative distance of 1. The backup link should have a number higher than 1. The correct answer has an administrative distance of 10. The other quad zero route would load balance packets across both links and both links would appear in the routing table. The remaining answers are simply static routes (either a default route or a floating static default route).
Question 22 of 48

22. Question
1 points
Refer to the exhibit. Which set of commands will configure static routes that will allow the Park and the Alta routers to a) forward packets to each LAN and b) direct all other traffic to the Internet?
- Park(config)# ip route 0.0.0.0 0.0.0.0 192.168.14.1 Alta(config)# ip route 10.0.234.0 255.255.255.0 192.168.14.2 Alta(config)# ip route 0.0.0.0 0.0.0.0 s0/0/0
- Park(config)# ip route 0.0.0.0 0.0.0.0 192.168.14.1 Alta(config)# ip route 10.0.234.0 255.255.255.0 192.168.14.2 Alta(config)# ip route 198.18.222.0 255.255.255.255 s0/0/0
- Park(config)# ip route 172.16.67.0 255.255.255.0 192.168.14.1 Park(config)# ip route 0.0.0.0 0.0.0.0 192.168.14.1 Alta(config)# ip route 10.0.234.0 255.255.255.0 192.168.14.2
- Park(config)# ip route 172.16.67.0 255.255.255.0 192.168.14.1 Alta(config)# ip route 10.0.234.0 255.255.255.0 192.168.14.2 Alta(config)# ip route 0.0.0.0 0.0.0.0 s0/0/1
Correct

Incorrect

Hint
The LAN connected to the router Park is a stud network, therefore, a default route should be used to forward network traffic destined to non-local networks. The router Alta connects to both the internet and the Park router, it would require two static routes configured, one toward the internet and the other toward the LAN connected to the router Park.
Question 23 of 48

23. Question
1 points
Refer to the exhibit. The small company shown uses static routing. Users on the R2 LAN have reported a problem with connectivity. What is the issue?
- R1 needs a static route to the R2 LAN.
- R2 needs a static route to the R1 LANs.
- R1 needs a default route to R2.
- R2 needs a static route to the Internet.
- R1 and R2 must use a dynamic routing protocol.
Correct

Incorrect

Hint
R1 has a default route to the Internet. R2 has a default route to R1. R1 is missing a static route for the 10.0.60.0 network. Any traffic that reached R1 and is destined for 10.0.60.0/24 will be routed to the ISP.
Question 24 of 48

24. Question
1 points
Refer to the exhibit. An administrator is attempting to install an IPv6 static route on router R1 to reach the network attached to router R2. After the static route command is entered, connectivity to the network is still failing. What error has been made in the static route configuration?
- The next hop address is incorrect.
- The interface is incorrect.
- The destination network is incorrect.
- The network prefix is incorrect.
Correct

Incorrect

Hint
In this example the interface in the static route is incorrect. The interface should be the exit interface on R1, which is s0/0/0.
Question 25 of 48

25. Question
1 points
Refer to the exhibit. How was the host route 2001:DB8:CAFE:4::1/128 installed in the routing table?
- The route was dynamically created by router R1.
- The route was dynamically learned from another router.
- The route was manually entered by an administrator.
- The route was automatically installed when an IP address was configured on an active interface.
Correct

Incorrect

Hint
A host route is an IPv6 route with a 128-bit mask. A host route can be installed in a routing table automatically when an IP address is configured on a router interface or manually if a static route is created.
Question 26 of 48

26. Question
1 points
Refer to the exhibit. HostA is attempting to contact ServerB. Which two statements correctly describe the addressing that HostA will generate in the process? (Choose two.)
- A packet with the destination IP address of RouterA.
- A frame with the destination MAC address of SwitchA.
- A packet with the destination IP address of ServerB.
- A frame with the destination MAC address of RouterA.
- A frame with the destination MAC address of ServerB.
- A packet with the destination IP address of RouterB.
Correct

Incorrect

Hint
In order to send data to ServerB, HostA will generate a packet that contains the IP address of the destination device on the remote network and a frame that contains the MAC address of the default gateway device on the local network.
Question 27 of 48

27. Question
1 points
Refer to the exhibit. A ping from R1 to 10.1.1.2 is successful, but a ping from R1 to any address in the 192.168.2.0 network fails. What is the cause of this problem?
- There is no gateway of last resort at R1.
- The static route for 192.168.2.0 is incorrectly configured.
- A default route is not configured on R1.
- The serial interface between the two routers is down.
Correct

Incorrect
Question 28 of 48

28. Question
1 points
Refer to the exhibit. An administrator is attempting to install a default static route on router R1 to reach the Site B network on router R2. After entering the static route command, the route is still not showing up in the routing table of router R1. What is preventing the route from installing in the routing table?
- The netmask is incorrect.
- The exit interface is missing.
- The next hop address is incorrect.
- The destination network is incorrect.
Correct

Incorrect

Hint
The next hop address is incorrect. From R1 the next hop address should be that of the serial interface of R2, 209.165.202.130.
Question 29 of 48

29. Question
1 points
Refer to the exhibit. The Branch Router has an OSPF neighbor relationship with the HQ router over the 198.51.0.4/30 network. The 198.51.0.8/30 network link should serve as a backup when the OSPF link goes down. The floating static route command ip route 0.0.0.0 0.0.0.0 S0/1/1 100 was issued on Branch and now traffic is using the backup link even when the OSPF link is up and functioning. Which change should be made to the static route command so that traffic will only use the OSPF link when it is up?
- Add the next hop neighbor address of 198.51.0.8.
- Change the administrative distance to 1.
- Change the destination network to 198.51.0.5.
- Change the administrative distance to 120.
Correct

Incorrect

Hint
The problem with the current floating static route is that the administrative distance is set too low. The administrative distance will need to be higher than that of OSPF, which is 110, so that the router will only use the OSPF link when it is up.
Question 30 of 48

30. Question
1 points
What characteristic completes the following statement? When an IPv6 static route is configured, the next-hop address can be ……
- a destination host route with a /128 prefix.
- the “show ipv6 route static” command.
- an IPv6 link-local address on the adjacent router.
- the interface type and interface number.
Correct

Incorrect

Question 31 of 48

31. Question

1 points

Gateway of last resort is not set.

172.19.115.0/26 is variously subnetted, 7 subnets, 3 masks
O 172.19.115.0/26 [110/10] via 172.19.39.1, 00:00:24, Serial0/0/0
O 172.19.115.64/26 [110/20] via 172.19.39.6, 00:00:56, Serial 0/0/1
O 172.19.115.128/26 [110/10] via 172.19.39.1, 00:00:24, Serial 0/0/0
C 172.19.115.192/27 is directly connected, GigabitEthernet0/0
L 172.19.115.193/27 is directly connected, GigabitEthernet0/0
C 172.19.115.224/27 is directly connected, GigabitEthernet0/1
L 172.19.115.225/27 is directly connected, GigabitEthernet0/1
172.19.39.0/24 is variably subnetted, 4 subnets, 2 masks
C 172.19.39.0/30 is directly connected, Serial0/0/0
L 172.19.39.2/32 is directly connected, Serial0/0/0
C 172.19.39.4/30 is directly connected, Serial0/0/1
L 172.19.39.5/32 is directly connected, Serial0/0/1
S 172.19.40.0/26 [1/0] via 172.19.39.1, 00:00:24, Serial0/0/0
R1#

Refer to the exhibit. Which interface will be the exit interface to forward a data packet that has the destination IP address 172.19.115.206?

GigabitEthernet0/1
None, the packet will be dropped.
GigabitEthernet0/0
Serial0/0/1

Correct

Incorrect

Question 32 of 48

32. Question
1 points
Refer to the exhibit. What routing solution will allow both PC A and PC B to access the Internet with the minimum amount of router CPU and network bandwidth utilization?
- Configure a dynamic routing protocol between R1 and Edge and advertise all routes.
- Configure a static route from R1 to Edge and a dynamic route from Edge to R1.
- Configure a static default route from R1 to Edge, a default route from Edge to the Internet, and a static route from Edge to R1.
- Configure a dynamic route from R1 to Edge and a static route from Edge to R1.
Correct

Incorrect

Hint
Two routes have to be created: a default route in R1 to reach Edge and a static route in Edge to reach R1 for the return traffic. This is a best solution once PC A and PC B belong to stub networks. Moreover, static routing consumes less bandwidth than dynamic routing.
Question 33 of 48

33. Question
1 points
Refer to the exhibit. What would happen after the IT administrator enters the new static route?
- The 172.16.1.0 static route would be entered into the running-config but not shown in the routing table.
- The 172.16.1.0 route learned from RIP would be replaced with the 172.16.1.0 static route.
- The 0.0.0.0 default route would be replaced with the 172.16.1.0 static route.
- The 172.16.1.0 static route is added to the existing routes in the routing table.
Correct

Incorrect

Hint
A route will be installed in a routing table if there is not another routing source with a lower administrative distance. If a route with a lower administrative distance to the same destination network as a current route is entered, the route with the lower administrative distance will replace the route with a higher administrative distance.
Question 34 of 48

34. Question
1 points
What two pieces of information are needed in a fully specified static route to eliminate recursive lookups? (Choose two.)
- the interface ID of the next-hop neighbor
- the interface ID exit interface
- the IP address of the exit interface
- the IP address of the next-hop neighbor
- the administrative distance for the destination network
Correct

Incorrect

Hint
A fully specified static route can be used to avoid recursive routing table lookups by the router. A fully specified static route contains both the IP address of the next-hop router and the ID of the exit interface.
Question 35 of 48

35. Question
1 points
Refer to the exhibit. Which command will properly configure an IPv6 static route on R2 that will allow traffic from PC2 to reach PC1 without any recursive lookups by router R2?
- R2(config)# ipv6 route ::/0 2001:db8:32::1
- R2(config)# ipv6 route 2001:db8:10:12::/64 S0/0/0
- R2(config)# ipv6 route 2001:db8:10:12::/64 2001:db8:32::1
- R2(config)# ipv6 route 2001:db8:10:12::/64 S0/0/1
Correct

Incorrect

Hint
A nonrecursive route must have an exit interface specified from which the destination network can be reached. In this example 2001:db8:10:12::/64 is the destination network and R2 will use exit interface S0/0/0 to reach that network. Therefore, the static route would be ipv6 route 2001:db8:10:12::/64 S0/0/0.
Question 36 of 48

36. Question
1 points
Refer to the exhibit. Which static route would an IT technician enter to create a backup route to the 172.16.1.0 network that is only used if the primary RIP learned route fails?
- ip route 172.16.1.0 255.255.255.0 s0/0/0
- ip route 172.16.1.0 255.255.255.0 s0/0/0 121
- ip route 172.16.1.0 255.255.255.0 s0/0/0 111
- ip route 172.16.1.0 255.255.255.0 s0/0/0 91
Correct

Incorrect

Hint
A backup static route is called a floating static route. A floating static route has an administrative distance greater than the administrative distance of another static route or dynamic route.
Question 37 of 48

37. Question
1 points
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question.

Modules 14 – 16: Routing Concepts and Configuration Exam

A user reports that PC0 cannot visit the web server www.server.com. Troubleshoot the network configuration to identify the problem. What is the cause of the problem?
- The clock rate on one of the serial links is configured incorrectly.
- A serial interface on Branch is configured incorrectly.
- The DNS server address on PC0 is configured incorrectly.
- Routing between HQ and Branch is configured incorrectly.
Correct

Incorrect

Hint
In order to allow communication to remote networks, proper routing, either static or dynamic, is necessary. Both routers must be configured with a routing method.

Question 38 of 48

38. Question

1 points

Match the routing table entry to the corresponding function. (Not all options are used.)

Sort elements

identifies the trustworthiness of a route source
identifies the value assigned to reach a remote network
identifies how a route was learned
identifies the address of the remote network
identifies the exit interface used to route a packet to a destination

administrative distance

metric

route source

destination network

Correct

Incorrect

Question 39 of 48

39. Question
1 points
Refer to the exhibit. PC A sends a request to Server B. What IPv4 address is used in the destination field in the packet as the packet leaves PC A?
- 192.168.11.1
- 192.168.10.1
- 192.168.12.16
- 192.168.10.10
Correct

Incorrect

Hint
The destination IP address in packets does not change along the path between the source and destination.
Question 40 of 48

40. Question
1 points
What does R1 use as the MAC address of the destination when constructing the frame that will go from R1 to Server B?
- If the destination MAC address that corresponds to the IPv4 address is not in the ARP cache, R1 sends an ARP request.
- R1 uses the destination MAC address of S1.
- The packet is encapsulated into a PPP frame, and R1 adds the PPP destination address to the frame.
- R1 leaves the field blank and forwards the data to the PC.
Correct

Incorrect

Hint
Communication inside a local network uses Address Resolution Protocol to obtain a MAC address from a known IPv4 address. A MAC address is needed to construct the frame in which the packet is encapsulated.
Question 41 of 48

41. Question
1 points
What route would have the lowest administrative distance?
- a route received through the OSPF routing protocol
- a directly connected network
- a static route
- a route received through the EIGRP routing protocol
Correct

Incorrect

Hint
The most believable route or the route with the lowest administrative distance is one that is directly connected to a router.
Question 42 of 48

42. Question
1 points
A network administrator configures the interface fa0/0 on the router R1 with the command ip address 172.16.1.254 255.255.255.0. However, when the administrator issues the command show ip route, the routing table does not show the directly connected network. What is the possible cause of the problem?
- The subnet mask is incorrect for the IPv4 address.
- The interface fa0/0 has not been activated.
- The configuration needs to be saved first.
- No packets with a destination network of 172.16.1.0 have been sent to R1.
Correct

Incorrect

Hint
A directly connected network will be added to the routing table when these three conditions are met: (1) the interface is configured with a valid IP address; (2) it is activated with no shutdown command; and (3) it receives a carrier signal from another device that is connected to the interface. An incorrect subnet mask for an IPv4 address will not prevent its appearance in the routing table, although the error may prevent successful communications.
Question 43 of 48

43. Question
1 points
A router has used the OSPF protocol to learn a route to the 172.16.32.0/19 network. Which command will implement a backup floating static route to this network?
- ip route 172.16.0.0 255.255.224.0 S0/0/0 100
- ip route 172.16.0.0 255.255.240.0 S0/0/0 200
- ip route 172.16.32.0 255.255.224.0 S0/0/0 200
- ip route 172.16.32.0 255.255.0.0 S0/0/0 100
Correct

Incorrect

Hint
OSPF has an administrative distance of 110, so the floating static route must have an administrative distance higher than 110. Because the target network is 172.16.32.0/19, that static route must use the network 172.16.32.0 and a netmask of 255.255.224.0.
Question 44 of 48

44. Question
1 points
Consider the following command:
```
ip route 192.168.10.0 255.255.255.0 10.10.10.2 5
```
How would an administrator test this configuration?
- Delete the default gateway route on the router.
- Manually shut down the router interface used as a primary route.
- Ping from the 192.168.10.0 network to the 10.10.10.2 address.
- Ping any valid address on the 192.168.10.0/24 network.
Correct

Incorrect

Hint
A floating static is a backup route that only appears in the routing table when the interface used with the primary route is down. To test a floating static route, the route must be in the routing table. Therefore, shutting down the interface used as a primary route would allow the floating static route to appear in the routing table.
Question 45 of 48

45. Question
1 points
Refer to the exhibit. Which type of IPv6 static route is configured in the exhibit?
- floating static route
- fully specified static route
- recursive static route
- directly attached static route
Correct

Incorrect

Hint
The route provided points to another address that must be looked up in the routing table. This makes the route a recursive static route.
Question 46 of 48

46. Question
1 points
What characteristic completes the following statement? When an IPv6 static route is configured, it is first necessary to configure ……
- the next-hop address of two different adjacent routers.
- the “ipv6 unicast-routing” command.
- an IPv6 link-local address on the adjacent router.
- an administrative distance of 2.
Correct

Incorrect

Question 47 of 48

47. Question

1 points

Gateway of last resort is not set.

172.18.109.0/26 is variously subnetted, 7 subnets, 3 masks
O 172.18.109.0/26 [110/10] via 172.18.32.1, 00:00:24, Serial0/0/0
O 172.18.109.64/26 [110/20] via 172.18.32.6, 00:00:56, Serial 0/0/1
O 172.18.109.128/26 [110/10] via 172.18.32.1, 00:00:24, Serial 0/0/0
C 172.18.109.192/27 is directly connected, GigabitEthernet0/0
L 172.18.109.193/27 is directly connected, GigabitEthernet0/0
C 172.18.109.224/27 is directly connected, GigabitEthernet0/1
L 172.18.109.225/27 is directly connected, GigabitEthernet0/1
172.18.32.0/24 is variably subnetted, 4 subnets, 2 masks
C 172.18.32.0/30 is directly connected, Serial0/0/0
L 172.18.32.2/32 is directly connected, Serial0/0/0
C 172.18.32.4/30 is directly connected, Serial0/0/1
L 172.18.32.5/32 is directly connected, Serial0/0/1
S 172.18.33.0/26 [1/0] via 172.18.32.1, 00:00:24, Serial0/0/0
R1#

Refer to the exhibit. Which interface will be the exit interface to forward a data packet that has the destination IP address 172.18.109.152?

GigabitEthernet0/0
GigabitEthernet0/1
Serial0/0/0
None, the packet will be dropped.

Correct

Incorrect

Question 48 of 48

48. Question
1 points
Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. A user reports that PC0 cannot visit the web server www.server.com. Troubleshoot the network configuration to identify the problem. What is the cause of the problem?
- The clock rate on one of the serial links is configured incorrectly.
- A serial interface on Branch is configured incorrectly.
- The DNS server address on PC0 is configured incorrectly.
- Routing between HQ and Branch is configured incorrectly.
Correct

Incorrect

Hint
In order to allow communication to remote networks, proper routing, either static or dynamic, is necessary. Both routers must be configured with a routing method.

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