Question: Switches discover the MAC addresses of computers connected on the different ports by looking at the:

Answer Choices:
Source address of outgoing packets
Destination address of outgoing packets
Destination address of incoming packets
Source address of incoming packets

Answer: Source address of incoming packets

 

Question: The number of subnets in the organization is best determined by

Answer Choices:
The structure of the organization
The number of hosts (computers) in the organization
The network administrator’s abilities
None of the above

Answer: None of the above

 

Question: One character in the hexadecimal notation represents ____ bits.

Answer Choices:
2
4
6
8

Answer: 4

 

Question: A router has two or more:

Answer Choices:
Switches
Network administrators
Hosts
IP addresses

Answer: IP addresses

 

Question: When the subnet mask 255.255.252.0 is applied to the IP address 192.168.151.45, the masked address is

Answer Choices:
192.168.148.0
255.255.255.0
192.168.151.45
192.168.150.0

Answer: 192.168.148.0

 

Question: Cat 5 cable is terminated using connectors called:

Answer Choices:
RJ 45 connectors
RJ 44 connectors
RJ 11 connectors
RJ 19 connectors

Answer: RJ 45 connectors

 

Question: SMTP is based on a ____ model of communication.

Answer Choices:
Broadcast
Pull
Anycast
Push

Answer: Push

 

Question: An organization with a class B network address has 100 subnets. Each subnet in this organization can have at most ______ bits for the host ID.

Answer Choices:
7
8
9
6

Answer: 7

 

Question: A limitation of network address translation is that:

Answer Choices:
It wastes IP addresses
It adds complexity to DNS
It cannot be used with RFC 1918 addresses
It cannot be used to assign IP addresses to servers

Answer: It adds complexity to DNS

 

Question: The presentation layer in the OSI model is responsible for:

Answer Choices:
Presenting information to end users
Specifying end user needs
Error control
Syntax conversion from host specific syntax to network transfer

Answer: Syntax conversion from host specific syntax to network transfer