Question: Signals in copper wire are transmitted as:
Answer Choices:
Electrical signals
Sound signals
Smoke signals
Light signals
Answer: Electrical signals
Question: An organization with a class B network address has 100 subnets. The most suitable subnet mask for the organization is
Answer Choices:
255.255.252.0
255.255.248.0
255.255.255.0
255.255.254.0
Answer: 255.255.254.0
Question: Coding is:
Answer Choices:
The transformation of elements from one set of elements to another set.
The generation of sine waves for transmission over a medium.
The unit of information.
Changing one or more properties of a sine wave in response to data.
Answer: Changing one or more properties of a sine wave in response to data.
Question: An organization with a class B network address uses 7 bits for the subnet ID. Each subnet in this organization can have ______ hosts.
Answer Choices:
512
128
64
256
Answer: 512
Question: A Signal is:
Answer Choices:
Cables connecting networked locations.
Detectable transmitted energy that can be used to carry information.
Converting data to signals for transmission over physical media.
Information added to data to remove errors.
Answer: Detectable transmitted energy that can be used to carry information.
Question: The most common Data Link layer technology used in corporate networks is:
Answer Choices:
Ethernet
Internet
TCP
IP
Answer: Ethernet
Question: An organization with a class B network address has 50 subnets. Each subnet in this organization can have at most ______ bits for the host ID.
Answer Choices:
10
8
9
6
Answer: 9
Question: A regular Ethernet address (MAC address) has ____ bits.
Answer Choices:
32
16
48
96
Answer: 48
Question: The IP address 10000011 11110001 10101010 11000011 is written in dotted decimal notation as:
Answer Choices:
131.247.170.193
131.237.168.195
131.227.167.193
131.227.170.195
Answer: 131.247.170.195
Question: Data is converted to signals for transmission because:
Answer Choices:
There is no known method to transport data over physical media.
Network carriers prefer to transport signals.
Data is expensive to transport over physical media.
Signals are inexpensive to transport over physical media.
Answer: Signals are inexpensive to transport over physical media.
Question: The session layer in the OSI model is responsible for:
Answer Choices:
Specifying end user needs
Creating and terminating connections
Error control
Answer: Creating and terminating connections
Question: As a physical medium, copper possesses all of the following properties, except:
Answer Choices:
Copper can transmit information over very long distances.
Copper is relatively inexpensive.
Copper is a good conductor of electricity.
Copper is relatively abundant.
Answer: Copper can transmit information over very long distances.
Question: The subnet mask for the network 131.247.160.0/19 would be
Answer Choices:
255.255.192.0
255.192.0.0
255.255.224.0
255.255.224.0
Answer: 255.255.224.0
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: An organization with a class B network address uses 8 bits for the subnet ID. Each subnet in this organization can have ______ hosts.
Answer Choices:
64
512
256
128
Answer: 256
Question: One character in the hexadecimal notation represents ______ bits.
Answer Choices:
2
4
6
8
Answer: 4