IP addresses are processed at the data link layer

Group of answer choices

false

true

question 2

Client computers provice services to users on the Internet

Group of answer choices

true

false

question 3

A packet with a source port number of 65 is coming from a server.

Group of answer choices

true

false

question 4

If a reliable data communication was desired, TCP would be used.

Group of answer choices

true

false

question 5

Encapsulation refers to the process of attaching a series of control information to a block of data.

Group of answer choices

true

false

question 6

The IP protocol relies on ICMP to send error messages on its behalf.

Group of answer choices

true

false

question 7

Acknowledgements (ACKs) are used in TCP to ensure reliable delivery of packets.

Group of answer choices

false

true

question 8

MAC addresses are used in the application layer.

Group of answer choices

false

true

question 9

Which of the following is not a layer in the TCP/IP protocol suite?

Group of answer choices

Internet (IP) Layer

Transport Layer

Delivery Layer

Application Layer

question 10

In order for a packet to be directly delivered to a physical machine on a local network, it requires:

Group of answer choices

a web address

an IP address

none of the above

a MAC address

question 11

Domain names are mapped to IP addresses using ______ .

Group of answer choices

RARP

DNS

HTTP

MAC

question 12

In the TCP/IP protocol suite, the network layer (or IP) is primarily responsible for __________ .

Group of answer choices

setting up and maintaining reliable connections

generating electromagnetic signals to propagate data transmission

providing a user interface

routing

question 13

Due to the lack of reliability measures, UDP is ________ than TCP.

Group of answer choices

slower and less complicated

faster and less complicated

slower and more complicated

faster and more complicated

question 14

TCP uses ______ to preserve order and to recognize and eliminate duplicate packets.

Group of answer choices

port numbers

IP addresses

sequence numbers

MAC addresses

question 15

Packets contain ________ .

Group of answer choices

none of the above

just blocks of data

just control fields/headers

blocks of data and control fields/headers

question 16

Which of the folloiwng is not a valid IP address:

Group of answer choices

3.33.333.3

1.11.111.1

5.0.0.5

10.20.30.40

question 17 Occasionally, a router (or other device) does not know the MAC address of a device on the network. What protocol can be used to find the MAC address, provided we know the IP address?

Group of answer choices

UDP

ARP

ICMP

RARP

18. TCP maintains two connections (client to server AND server to client) and requires a _____ handshake for connection establishment.

Group of answer choices

four-way

two-way

three-way

one-way