Which message delivery option is used when all devices need to receive the same message simultaneously? *

5 points

Duplex

Unicast

Multicast

Broadcast

A high school in New York (school A) is using videoconferencing technology to establish student interactions with another high school (school B) in Russia. The videoconferencing is conducted between two end devices through the Internet. The network administrator of school A configures the end device with the IP address 209.165.201.10. The administrator sends a request for the IP address for the end device in school B and the response is 192.168.25.10. Neither school is using a VPN. The administrator knows immediately that this IP will not work. Why? *

5 points

This is a link-local address.

This is a loopback address.

There is an IP address conflict.

This is a private IP address.

Which two characteristics are associated with UDP sessions? (Choose two.) *

10 points

Unacknowledged data packets are retransmitted.

Destination devices receive traffic with minimal delay.

Destination devices reassemble messages and pass them to an application.

Transmitted data segments are tracked.

Received data is unacknowledged.

What is the prefix length notation for the subnet mask 255.255.255.224? *

5 points

/26

/27

/28

/25

Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask? *

10 points

to identify the network address of the destination network

to identify the host address of the destination host

to identify the broadcast address of the destination network

to identify faulty frames

Which TCP mechanism is used to identify missing segments? *

10 points

sequence numbers

FCS

acknowledgments

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