273 Best Networking Questions and Answers (Q&A) - ProProfs Discuss

What is the purpose of TCP/UDP port numbers?

L. Sevigny, Doctor
Answered: Feb 11, 2019

TCP refers to the Transmission Control Protocol. This has to do with the traffic on the network and with TCP it can go in different directions. UDP is very similar to TCP in that it controls the...Read More

3 Answers

2131 views

What are the two features of ARP?

Johne
Answered: Jan 10, 2025

If a host is ready to send a packet to a local destination device and it has the IP address but not the MAC address of the destination, it generates an ARP broadcast.
If a device receiving an...Read More

1 Answer

1770 views

What are the two primary responsibilities of the Ethernet MAC sublayer?

Lolth
Answered: Jan 10, 2025

Data encapsulation
Accessing the media

1 Answer

1639 views

What three blocks of addresses are defined by RFC 1918 for private network use?

Johne
Answered: Jan 10, 2025

10.0.0.0/8
172.16.0.0/12
192.168.0.0/16

1 Answer

1576 views

What is a coaxial cable?

Christian Jackson, Content Developer
Answered: Sep 20, 2018

The coaxial cable is known to provide the protection that is needed against the EMI when data transmitting is taking place. This electrical cable is protected because of the insulating layer....Read More

3 Answers

1500 views

What does the term "attenuation" mean in data communication?

Billl
Answered: Jan 10, 2025

Loss of signal strength as distance increases

1 Answer

1491 views

What is one of the advantages of using both symmetric and asymmetric cryptography in SSL/TLS?

Terryvx
Answered: Jan 10, 2025

Asymmetric cryptography is computationally expensive in comparison. However, it s well-suited to securely negotiate keys for use with symmetric cryptography.

1 Answer

1438 views

What is the effect of using the Router# copy running-config startup-config command on a router?

Sbedker
Answered: Jan 10, 2025

The contents of NVRAM will change

1 Answer

1396 views

What does an IP address, a numeric quantity identify?

Bergeront Tiffney, Computer Engineer
Answered: Dec 07, 2018

The IP address is a network adaptor to other devices on the network, or answer A. The IP address is what address your computer or phone uses to get online. If you’ve ever seen something...Read More

3 Answers

1279 views

Which logical address is used for delivery of data to a remote network?

Dsurge
Answered: Jan 10, 2025

Destination IP address

Refer to curriculum topic: 3.3.3 The destination IP address is used for end-to-end delivery of data to a remote network. The destination MAC address is used for...Read More

1 Answer

1205 views

Which topology is the most redundant and the most expensive?

Bobby Rickets, Content Reviewer
Answered: Jan 30, 2019

Star topology is the most popular way to connect a computer in a workgroup. It is expensive due to the cost of the hub. Star topology uses a lot of cables, which makes it the most costly network...Read More

2 Answers

1154 views

Which two OSI model layers have the same functionality as two layers of the TCP / IP model?

Aleksamilosevic
Answered: Jan 10, 2025

Network
Transport

1 Answer

1116 views

What information is added to the switch table from incoming frames?

Tomdedude
Answered: Jan 10, 2025

Source MAC address and incoming port number

1 Answer

1091 views

Which characteristics are part of TCP (Transmission Control Protocol)?

Christian Jackson, Content Developer
Answered: Oct 10, 2018

Transmission Control Protocol is also known as TCP. It allows for the connection through the Internet or network so that data can be transferred usually through an app. The application program...Read More

3 Answers

1049 views

When must computer have an IP address?

Ken Wilson, Marketing Analyst
Answered: Mar 07, 2019

Correct answers – option A, B and C
A computer must have an IP address every time it connects to a home network router, a Wi-Fi hotspot and when it connects with another using...Read More

2 Answers

1048 views

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