CCNA (200-301) Certification Practice Exam (ENSA v7.0) - Test online

An instructor is reviewing student answers on a previous term exam to prepare for a lecture on IPv6. What would be a good point for the instructor to make when explaining an IPv6 GUA (global unicast address)?

An administrator needs to implement a 2.4GHz WLAN that requires multiple APs. Which two are characteristics of the 2.4GHz channels? (Choose two.)

A technician must accommodate at least 500 subnets from address 172.16.0.0/16. What is an appropriate subnet mask and corresponding number of available host IP addresses per subnet to meet the requirement?

Refer to the exhibit. A PC with the MAC address of 0800.069d.3841 attached to port Fa0/8 is sending data to a device that has the MAC address of 6400.6a5a.6821. What will the switch do first to handle the data transfer?

A network engineer is giving a tour of the company network operations center to a college class. The engineer is trying to describe how a WAN and connectivity to the internet relate to the network infrastructure. Which statement correctly describes network infrastructure and network communication?

A network engineer is designing a borderless switched network in a hierarchical fashion. Which guideline might cause the engineer to implement a three-tier layer model?

Two students are discussing routers and one statement that is said between them is accurate. Which statement is that?

What are two benefits of using virtualization? (Choose two.)

Students in a data networking class are reviewing materials in preparation for a quiz. Which statement describes the operation of an access control method for shared network media?

A network administrator is designing an IPv4 addressing scheme and requires these subnets. 1 subnet of 100 hosts 2 subnets of 80 hosts 2 subnets of 30 hosts 4 subnets of 20 hosts Which combination of subnets and masks will provide the best addressing plan for these requirements?

A group of network technicians is discussing IPv6 multicast processes. What is a feature of one type of IPv6 multicast address that should be discussed?

Which LAN attack allows for identification of connected Cisco devices which are sending unencrypted broadcasts?

What is a characteristic of the REST API?

A network administrator is using the Cisco DNA Center to monitor network health and to troubleshoot network issues. Which area should the administrator use to perform these tasks?

Which term describes the process of managing configuration changes of network devices in an orderly fashion?

Which function of the Cisco intent-based networking system (IBNS) enables network operators to express the expected networking behavior that will best support the business intent?

Which type of API would be used to allow authorized salespeople of an organization access to internal sales data from their mobile devices?

Refer to the exhibit. In the displayed JSON data representation, which symbol should be used to replace the question mark in lines 2 and 15?

What action takes place when a frame entering a switch has a multicast destination MAC address?

A network engineer is configuring secure remote access to a Cisco router. Which two commands would be issued in the line configuration mode of the router to implement SSH? (Choose two.)

When an end device requests services from a DHCPv4 server it receives a host IPv4 address and a subnet mask. Which two other IPv4 addresses are also typically provided to a DCHPv4 client? (Choose two.)

A network engineer wants to synchronize the time of a router with an NTP server at the IPv4 address 209.165.200.225. The exit interface of the router is configured with an IPv4 address of 192.168.212.11. Which global configuration command should be used to configure the NTP server as the time source for this router?

When testing a new web server, a network administrator cannot access the home page when the server name is entered into a web browser on a PC. Pings to both the IPv4 and IPv6 addresses of the server are successful. What could be the problem?

A network engineer is using SNMP manager software to monitor and manage network performance. In addition to polling network devices at regular time intervals, the engineer is configuring the devices to generate messages that inform the SNMP manager of specified events. What message type is configured on those devices that allows them to send unsolicited messages?

A wireless network engineer is implementing updated wireless equipment within the company. Which statement describes a wireless security protocol?

Refer to the exhibit. Which access list configuration on router R1 will prevent traffic from the 192.168.2.0 LAN from reaching the Restricted LAN while permitting traffic from any other LAN?

An administrator who is troubleshooting connectivity issues on a switch notices that a switch port configured for port security is in the err-disabled state. After verifying the cause of the violation, how should the administrator re-enable the port without disrupting network operation?

An IT security specialist enables port security on a switch port of a Cisco switch. What is the default violation mode in use until the switch port is configured to use a different violation mode?

Refer to the exhibit. Which interface on switch S1 should be configured as a DHCP snooping trusted port to help mitigate DHCP spoofing attacks?

Which statement is an accurate description of a VPN type?

A network administrator of a college is configuring WLAN security with WPA2 Enterprise authentication. Which server is required when deploying this type of authentication?

When configuring a switch for SSH access, what other command that is associated with the login local command is required to be entered on the switch?

What term describes a process where a router simply discards any packet that arrives at the end of a queue that has completely used up its packet-holding resources?

In an OSPF network when are DR and BDR elections required?

A network engineer has been asked to prepare a router and to ensure that it can route IPv6 packets. Which command should the network engineer ensure has been entered on the router?

Refer to the exhibit. Match the packets with their destination IP address to the exiting interfaces on the router. (Not all targets are used.)

Consider the following static route configured on a Cisco router:

ipv6 route 2001:db8:acad:4::/64 2001:db8:acad:3::2

What remote network is specified in this route?

A network administrator configures a router with the ipv6 route ::/0 Serial2/0 command. What is the purpose of this command?

What is the purpose of a First Hop Redundancy Protocol?

A network engineer examining the configuration of a Cisco router sees a network entry in a routing table listed with a code O. Which kind of route is this?

What defines a host route on a Cisco router?

Refer to the exhibit. Packets destined to which two networks will require the router to perform a recursive lookup? (Choose two.)

The routing table of a Cisco router has four static routes for network 10.0.0.0. Which route is the best match for a packet entering the router with a destination of 10.16.0.10?

Match the FHRP protocols to the appropriate description. (Not all options are used.)

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which task has to be performed on Router 1 for it to establish an OSPF adjacency with Router 2?

What is the recommended Cisco best practice for configuring an OSPF-enabled router so that each router can be easily identified when troubleshooting routing issues?

In FHRP terminology, what represents a set of routers that present the illusion of a single router to hosts?

A network administrator is configuring the SNMP function on a Cisco 3500 series WLC. The task is to add an SNMP trap server to which this WLC will forward SNMP log messages. Which tab should the administrator use to add the SNMP trap server information?

Match the STP port state with the appropriate description. (Not all options are used.)

Refer to the exhibit. All the displayed switches are Cisco 2960 switches with the same default priority and operating at the same bandwidth. Which three ports will be STP designated ports? (Choose three.)

Refer to the exhibit. A network technician issues the command show vlan to verify the VLAN configuration. Based on the output, which port should be assigned with native VLAN?

What is the purpose of setting the native VLAN separate from data VLANs?

Which is a characteristic of EtherChannel?

What characteristic describes how data or voice VLANs are configured on a network?

What are two load-balancing methods in the EtherChannel technology? (Choose two.)

A network administrator is configuring a WLAN with WPA2 Enterprise on a Cisco 3500 series WLC. Client authentications will be handled by a RADIUS server. Which tab should the administrator use to add the RADIUS server information?

An administrator issues the show vlan brief command on a Cisco switch and the output shows that all ports are currently assigned to the default VLAN. What conclusion can be drawn?

If no bridge priority is configured in PVST, which criteria is considered when electing the root bridge?

Refer to the exhibit. A network administrator issues the show lldp neighbors command to display information about neighboring devices. What can be determined based on the information?

What characteristic completes the following statement? When an IPv6 static route is configured, it is possible that the same IPv6 link-local address is used for ……

Which two protocols provide gateway redundancy at Layer 3? (Choose two.)

Which security solution identifies incoming threats and blocks them from entering the corporate network?

Refer to the exhibit. What does the hyphen symbol (-) indicate in the YAML data structure?

In an Intent-Based Networking architecture, which two items are considered parts of an overlay fabric? (Choose two.)

What is an architectural constraint to which a true RESTful API web service must adhere?

A programmer is using Ansible as the configuration management tool. Which term is used to describe a set of instructions for execution?

What action takes place when the source MAC address of a frame entering a switch is not in the MAC address table?

In a controller-based wireless network, a Cisco WLC device has four ports connected to a switch to form a bundle. This bundle will provide load balancing and redundancy. Which two configurations must be performed on the four switch ports that connect to the WLC? (Choose two.)

When configuring a wireless LAN, to which category does a home wireless router belong?

Which feature or function does an AP provide in a wireless LAN?

A network engineer is designing a borderless switched network in a hierarchical fashion. Why might the engineer consider using a two-tier layer model?

A technician is troubleshooting a network device and suspects there might be a duplex mismatch. What could cause a duplex mismatch?

A pharmaceutical company wants to contract the services of a cloud provider to store employee data and company-specific applications with strict access security. Which type of cloud would be the most appropriate for this scenario?

Which LAN attack involves the sending of a double-tagged 802.1Q frame to the switch?

SNMP has been implemented on a network to monitor and manage devices. Which SNMP authentication process is preferred when SNMP managers communicate with SNMP agents?

What characteristic completes the following statement? When an IPv6 static route is configured, the use of a link-local address as a next-hop address requires entering ……

A network engineer is examining the routing table of a Cisco router. Consider the following routing table entry:

S 10.2.2.0/30 [1/0] via 10.1.1.2, 00:00:13, Serial0/0/0

What is the significance of the Serial0/0/0?

When creating an IPv6 static route, when must a next-hop IPv6 address and an exit interface both be specified?

What characterizes a floating static route?

Which feature on a Cisco router permits the forwarding of traffic for which there is no specific route?

Which ACE would permit traffic from hosts only on the 192.168.8.0/22 subnet?

Refer to the exhibit. A network administrator needs to add an ACE to the TRAFFIC-CONTROL ACL that will deny IP traffic from the subnet 172.23.16.0/20. Which ACE will meet this requirement?

What are two syntax rules for writing a JSON array? (Choose two.)

What is the most likely cause when the output of the show interface command shows that a switch interface is up but the line protocol is down?

Refer to the exhibit. A network administrator is reviewing the configuration of switch S1. Which protocol has been implemented to group multiple physical ports into one logical link?

A network administrator is considering whether PoE features are required in a specific network installation. Which option provides valid information about PoE?

How are network data transmissions calculated?

Refer to the exhibit. A corporate network is using NTP to synchronize the time across devices. What can be determined from the displayed output?

Refer to the exhibit. Which source address is being used by router R1 for packets being forwarded to the Internet?

A user is reading a book from the website https://www.books-info.com/author50/book1.html#page150 . Which term is used to describe the component http://www.books-info.com/author50/book1.html ?

What are three components used in the query portion of a typical RESTful API request? (Choose three.)

Which two configuration management tools are developed using Python? (Choose two.)

What characteristic completes the following statement? When an IPv6 static route is configured, and traffic is to be directed to one specific server, the static route requires …

When two or more routes to the same destination are learned from different routing protocols, what does a router use to choose between the routes?

Which LAN attack enables traffic from one VLAN to be seen by another VLAN without the aid of a router?

What are the three categories of tools that can be used in IP networks to implement QoS? (Choose three.)

Which is a QoS model that a network engineer would implement to ensure a source to destination quality of service standard for a specified data flow?

A network engineer is configuring a Cisco switch when this message is displayed.

%LINK-3-UPDOWN: Interface Port-channel1, changed state to up

What is the Syslog severity level of this message?

In a controller-based wireless network, the WLC device may have multiple ports connected to a switch to form a bundle that provides load-balancing and redundancy. Which protocol supports the port bundle between a Cisco WLC and a Cisco switch?

In a controller-based wireless network, a Cisco WLC device has four ports connected to a switch to form a bundle. This bundle will provide load-balancing and redundancy. Which two configurations must be performed on the four switch ports that connect to the WLC? (Choose two.)

What is a benefit of PortFast configured on a Cisco switch port?

A network administrator is configuring security for new WLANs on a Cisco 3500 series WLC. What is the default protocol used for authentication key management?

Which two statements describe an Internet-based connectivity option? (Choose two.)

What is a difference between autonomous APs and controller-based APs in wireless LANs?

Two recent networking graduates from a local college have just been hired by a communication company to work on various network cabling projects throughout the state. Why would the company consider using fiber-optic cabling in long-haul networks?

An employee is logging into a company account and another employee stands in such a way to see the account ID and password. Which kind of threat is this?

What is the purpose of the overload keyword in the ip nat inside source list 1 pool NAT_POOL overload command?

What two types of always-on internet connections are commonly used by teleworkers to communicate with a company? (Choose two.)

A technician needs to add a new wireless device to a small WLAN. The WLAN is a mixture of old and newer 802.11b and 802.11g devices. What choice for the new device would provide the most interoperability for present and future growth?

What action takes place when a frame entering a switch has a unicast destination MAC address appearing in the MAC address table?

A technician is reviewing a report of slowness during peak traffic periods and is looking at performance on a particular switch. What should the technician be aware of about memory buffering on a switch?

A company deploys FlexConnect APs in the remote office and uses CAPWAP to allow a WLC in their corporate headquarters office to manage WLANs in the remote office. One day the network administrator in the remote office notices that the FlexConnect APs are operating in the standalone mode. Which two functions can these APs perform in this mode? (Choose two.)

What term describes a default queuing method where packets are sent out of an interface in the order in which they arrive?

An employee who travels constantly for work needs to access the company network remotely. Which security mechanism offers a secure connection?

Which protocol defines port-based authentication to restrict unauthorized hosts from connecting to the LAN through publicly accessible switch ports?

What is a spyware threat?

What characteristic completes the following statement? When an IPv6 static route is configured, a fully-specified configuration should be used with …

Which LAN attack spoofs the root bridge to change the topology of a network?

Refer to the exhibit. A network administrator is reviewing port and VLAN assignments on switch S2 and notices that interfaces Gi0/1 and Gi0/2 are not included in the output. Why would the interfaces be missing from the output?

Data is being sent from a source PC to a destination server. Which three statements correctly describe the function of TCP or UDP in this situation? (Choose three.)

Which two 802.11 WLAN standards operate in both the 2.4 GHz and in the 5 GHz frequency bands? (Choose two.)

Which two protocols are used to provide server-based AAA authentication? (Choose two.)

A network engineer is examining Cisco router configurations across an internetwork. Consider the following routing table entry

O 10.0.4.0/24 [110/50] via 10.0.3.2, 00:24:22, Serial0/1/1

What is the administrative distance of this route?

What term describes allowing delay-sensitive packets such as voice to be sent before packets in other queues based on strict priority queuing?

Which two 802.11 WLAN standards operate in both the 2.4 Ghz and in the 5Ghz frequency bands?(Choose two)

A network engineer is configuring a Cisco router as a DHCP relay. When issuing the ip helper-address command in the interface configuration mode which IPv4 address is added to the command?

Open the PT Activity. Perform the tasks in the activity instructions and then answer the question. Which task has to be performed on Router 1 for it to establish an OSPF adjacency with Router 2?

What action takes place when the source MAC address of a frame entering a switch appears in the MAC address table associated with a different port?

Refer to the exhibit. Static NAT is being configured to allow PC 1 access to the web server on the internal network. What two addresses are needed in place of A and B to complete the static NAT configuration? (Choose two.)

In computer network communications which data transfer process does the application layer protocol FTP use?

What action takes place when a frame entering a switch has a broadcast destination MAC address?

Which LAN attack involves sending unsolicited ARP replies, with the MAC Address of the threat actor and the IP address of the default gateway, to other hosts on a subnet?

A network engineer is examining the configuration of a router and notices that interface Gi0/0 has been configured with the ip address dhcp command. Which statement describes the IP address condition of this interface?

What term describes holding packets in memory until resources become available to transmit them?

What defines a two-tier spine-leaf topology?

What characteristic completes the following statement? When an IPv6 static route is configured, as a default route, the destination network is …

Which LAN attack involves a rogue server connected to the network providing false IP configuration parameters to legitimate clients?

What term describes a process where a router simply discards any packet that arrives at the end of a queue that has completely used up its packet-holding resources?

What term describes adding a value to the packet header, as close to the source as possible, so that the packet matches a defined policy?

What action takes place when the source MAC address of a frame entering a switch is in the MAC address table?

What action takes place when a frame entering a switch has a unicast destination MAC address that is not in the MAC address table?

Which LAN attack prevents hosts from obtaining dynamically assigned IP addresses?