Question: The Physical layer in the TCP/IP stack is responsible for:
Error control.
Signaling.
Identifying and locating the destination.
Segmentation and reassembly of packets.
Answer: Signaling.
Question: A URL is
Answer Options:
Another way of specifying an IP address
A character string describing the location and access method of a networked resource
Used only to access web pages
Used to help in routing packets
Answer: A character string describing the location and access method of a networked resource
Question: Quadrature amplitude modulation:
Answer Options:
Combines amplitude modulation with phase modulation.
Is another name for frequency modulation.
Combines amplitude modulation with frequency modulation.
Is another name for amplitude modulation.
Answer: Combines amplitude modulation with phase modulation.
Question: In computer networking, a collision is a situation where:
Answer Options:
Two or more end users get into an argument over who has access to the network
Two or more end users collide with each other at the water cooler
Two or more demands are placed on a network that can only handle one demand at a time
An end user collides with his workstation
Answer: Two or more demands are placed on a network that can only handle one demand at a time
Question: In computer networking, medium access control is the method used to determine:
Answer Options:
Who can determine the data rate of the physical medium
Who can send data over a shared medium
Who can mediate a dispute between two or more end users
Who can enter the office
Answer: Who can send data over a shared medium
Question: The presentation layer in the OSI model is responsible for:
Error control.
Syntax conversion from host-specific syntax for network transfer.
Specifying end user needs.
Preventing unauthorized file access.
Answer: Syntax conversion from host-specific syntax for network transfer.
Question: The only layer in the TCP/IP stack that interfaces with the end user’s the system is
Answer Options:
The Physical layer
The Network layer
The Application layer
The Transport layer
Answer: The Application layer
Question: The most common Data Link layer technology used in corporate networks is:
Answer: IP
Question: The window size field in TCP specifies the:
Answer Options:
Amount of data the receiver is capable of processing
Sequence number of the last received datagram
Size of the window in the data center where the sender is located
Amount of data the sender is capable of processing
Answer: Amount of data the receiver is capable of processing
Question: One feature common to most computer software and data communications is:
The use of layering to organize functionality.
The use of routing.
The use of packetization.
The use of signaling.
Answer: The use of layering to organize functionality.
Question: IMAP and POP are used to
Answer Options:
Serve web pages
Deliver email to the destination mail server
Manipulate the contents of the mailbox
Access web pages
Answer: Deliver email to the destination mail server
Question: The window size field in TCP specifies the:
Answer Options:
Amount of data the receiver is capable of processing
Sequence number of the last received datagram
Size of the window in the data center where the sender is located
Amount of data the sender is capable of processing
Answer: Amount of data the receiver is capable of processing
Question: You have created a new application protocol for online games. To use this protocol, users will need to install
Answer Options:
A new routing protocol
An entire networking stack
Only the new application protocol
A new segmentation protocol
Answer: Only the new application protocol
Question: Cat 5 cable is terminated using connectors called:
Answer Options:
RJ 45 connectors
RJ 11 connectors
RJ 19 connectors
RJ 54 connectors
Answer: RJ 45 connectors
Question: A bit:
Answer Options:
Transforms elements from one set of elements to another set.
Is the unit of information that designates one of two possible states.
Changes one or more properties of a sine wave in response to data.
Answer: Is the unit of information that designates one of two possible states.