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