Question: The standard ports in TCP are port numbers in the range:

Answer: 0-1023

 

Question: In TCP and UDP, ______ receive data on standard ports.

Answer Options:
Web services
Common desktop applications
Common network server applications
Common network client applications

Answer: Common network server applications

 

Question: Amplitude is a measure of:

Answer Options:
The number of cycles made by a sine wave in one second.
The position of a sine wave at the start time.
The height of a sine wave.
None of the above.

Answer: The height of a sine wave.

 

Question: The functions of the Data Link layer include:

Answer Options:
Routing
Local addressing and error-detection
Segmentation and re-assembly of data
Link data networks

Answer: Local addressing and error-detection

 

Question: Breaking application data of arbitrary size into smaller fragments for delivery by IP is called:

Answer Options:
Flow control
Multiplexing
Reliability
Segmentation

Answer: Segmentation

 

Question: In the sliding windows mechanism for flow control, the ____ before waiting for an acknowledgment:

Answer Options:
Receiver processes as much data as specified by the sender in the window size field
Sender sends as much data as specified by the receiver in the window size field
Receiver acknowledge data one segment at a time
Sender transmits data one segment at a time

Answer: Sender sends as much data as specified by the receiver in the window size field

 

Question: The differences between POP and IMAP include all of the following except

Answer Options:
IMAP allows the synchronization of multiple mail clients to the same mailbox
POP allows the synchronization of multiple mail clients to the same mailbox

Answer: POP allows the synchronization of multiple mail clients to the same mailbox

 

Question: A disadvantage of using broadcasting to transmit data is that:

Answer Options:
It is slow
It is inexpensive
Most users who receive the data have no use for the data
It leads to too many errors

Answer: Most users who receive the data have no use for the data

 

Question: Incoming packets are directed to the appropriate application on the computer based on the:

Answer Options:
IP address
Port address
MAC address
URL

Answer: Port address

 

Question: The Application layer in the TCP/IP stack is responsible for:

Specifying end user needs.
Identifying and locating the destination.
Segmentation and reassembly of packets.
Error control.

Answer: Specifying end user needs.

 

Question: Optimizing the transmission rate in TCP to minimize lost packets is called:

Answer: Flow control

 

Question: The advantage of assigning a sequence number to every byte of data instead of every datagram is that this:

Answer Options:
Simplifies the counting of segments
Enhances better detection of bit-level errors
Enables the receiver to acknowledge partial datagrams
None of the above

Answer: Enables the receiver to acknowledge partial datagrams

 

Question: The ability of TCP to serve multiple applications simultaneously is called:

Answer Options:
Multiplexing
Segmentation
Flow control
Connection establishment
Reliability

Answer: Multiplexing