Question: A 12-bit binary number can be used to uniquely label ________ objects.
Answer Choices:
2048
4096
8192
17024
Answer: 4096
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: An organization has 50 subnets. The subnet part of the IP addresses in the organization must have at least _______ bits.
Answer Choices:
6
5
4
7
Answer: 6
Question: Modulation is the process of:
Answer Choices:
Increasing the amplitude of a sine wave.
Changing one or more properties of a sine wave in response to data.
Increasing the frequency of a sine wave.
Shifting a wave to generate the sine wave.
Answer: Changing one or more properties of a sine wave in response to data.
Question: UDP can be useful for all cases except:
Answer Choices:
Ordered and reliable delivery is required for an application.
Small quantities of data are to be transferred.
Large quantities of data are to be transferred.
Ordered and reliable delivery is not necessary for an application.
Answer: Ordered and reliable delivery is required for an application.
Question: The current version of IP is:
Answer Choices:
8
4
9
16
Answer: 4
Question: You have a class C network address. Your unit is being split into three groups. For various administrative and security reasons, each of these groups needs its own subnet with about 50 addresses each. Do you have enough IP addresses to create these subnets?
Answer Choices:
Yes
No
Answer: Yes
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: The binary number 11000011 represents the decimal number:
Answer Choices:
187
199
197
189
Answer: 195
Question: Address resolution protocol (ARP) is used to:
Answer Choices:
Discover the MAC address of a host whose IP address is known
Discover the IP address of a host whose MAC address is known
Define non-routable IP addresses
Automate the allocation of IP addresses
Answer: Discover the MAC address of a host whose IP address is known
Question: CIDR stands for:
Answer Choices:
Classless inter-domain routing
Classless inter-district routing
Classless international and domestic routing
Classed inter-domain routing
Answer: Classless inter-domain routing