Month: June 2023
1. Why is UDP well suited as the transport layer protocol for video applications? UDP has low overhead. UDP provides flow control using windows. UDP provides acknowledgment of received data. UDP provides a reliable session. 2. Which transport layer information is added to both the TCP and UDP …
1. Which two statements are correct about IPv4 and IPv6 addresses? (Choose two.) IPv4 addresses are 32 bits in length. IPv6 addresses are 32 bits in length. IPv6 addresses are represented by hexadecimal numbers. IPv4 addresses are represented by hexadecimal numbers. IPv6 addresses are 64 bits in length. …
1. Which destination IPv4 address does a DHCPv4 client use to send the initial DHCP Discover packet when the client is looking for a DHCP server? 224.0.0.1 255.255.255.255 the IP address of the default gateway 127.0.0.1 2. Which is a DHCPv4 address allocation method that assigns IPv4 addresses …
1. A network design engineer has been asked to design the IP addressing scheme for a customer network. The network will use IP addresses from the 192.168.30.0/24 network. The engineer allocates 254 IP addresses for the hosts on the network but excludes 192.168.30.0/24 and 192.168.30.255/24 IP addresses. Why …
1. Which information is used by routers to forward a data packet toward its destination? destination data-link address source IP address destination IP address source data-link address 2. A router receives a packet from the Gigabit 0/0 interface and determines that the packet needs to be forwarded out …
1. Which destination address is used in an ARP request frame? 255.255.255.255 the physical address of the destination host FFFF.FFFF.FFFF AAAA.AAAA.AAAA 0.0.0.0 2. Which network device can serve as a boundary to divide a Layer 2 broadcast domain? Ethernet bridge router access point Ethernet hub 3. Which term …
1. Which organization publishes and manages the Request for Comments (RFC) documents? ISO IETF IEEE TIA/EIA 2. What identifier is used at the data link layer to uniquely identify an Ethernet device? UDP port number MAC address TCP port number IP address sequence number 3. Which three layers …
1. Which type of network cable contains multiple copper wires and uses extra shielding to prevent interference? fiber-optic coax STP UTP 2. Which type of data cable is used by television companies to carry data and video signals? coaxial shielded twisted-pair unshielded twisted-pair fiber-optic 3. Which term describes …
1. Which Packet Tracer operating system installation option requires that the person installing it knows whether the system is a 32- or 64-bit operating system? Linux Android Windows Apple iOS 2. What is a feature of Packet Tracer? It can be used to examine network data flows for …
1. Which category of network components includes wires and cables used in a wired network? media peripherals devices hosts 2. Which statement describes the physical topology for a LAN? It defines how hosts and network devices connect to the LAN. It describes whether the LAN is a broadcast …