Question: When a TCP connection is initiated, the sequence number of the first datagram is:

Answer Options:
None of the above
100
Either A or B
A randomly chosen number

Answer: A randomly chosen number

 

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

Identifying and locating the destination.
Signaling.
Error control.
Segmentation and reassembly of packets.

Answer: Error control.

 

Question: A TCP segment with sequence number 1,000 has a length of 350 Bytes. The next segment in the sequence will have a sequence number of:

Answer Options:
1350
1351
1001
1100

Answer: 1351

 

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

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

Answer: Identifying and locating the destination.

 

Question: The <a> tag in HTML is used to

Answer Options:
Display images
Display text
Display hyperlinks
Display annotations

Answer: Display hyperlinks

 

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: Signals in copper wire are transmitted as:

Answer Options:
Electrical signals
Sound signals
Light signals
Smoke signals

Answer: Electrical signals

 

Question: The novelty of the Telegraph was that:

It allowed one wire to connect a set to multiple destinations.
It allowed people to talk to each other.
It allowed instantaneous long-distance communication over a wire.
It allowed users to draw graphs.

Answer: It allowed instantaneous long-distance communication over a wire.

 

Question: The Transport layer protocol that provides end-to-end reliability over packet-switched networks is:

Answer Options:
HTTP
IP
TCP
UDP

Answer: TCP

 

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

Answer: Flow control

 

Question: A network using Ethernet can be up to ______ in radius:

Answer Options:
10 miles
Indefinite
100 meters
1,000 meters

Answer: 100 meters

 

Question: A physical medium is:

Answer Options:
Used to convert data to signals for transmission
Detectable transmitted energy that can be used to carry information

Answer: Detectable transmitted energy that can be used to carry information

 

Question: Layering is the practice of:

Arranging functionality of components so that lower layers support the services of upper layers.
Breaking down user data into small segments.
Using one wire to carry multiple signals simultaneously.

Answer: Arranging functionality of components so that lower layers support the services of upper layers.

 

Question: The only layer in the TCP/IP stack that deals with the limitations of nature is:

Answer Options:
The Network layer
The Physical layer
The Data link layer
The Transport layer

Answer: The Physical layer