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CCENT Questions and Answers (Q&A)

What is the purpose of the crypto key generate rsa command when configuring a switch to use SSH for virtual terminal connections?
M. Kennedy, Web Content Writer
Answered: Feb 21, 2019
The crypto key generates RSA command is something that will be dependent on the IP domain name commands and the hostname. The crypto command can be used in order to generate a key pair which will...Read More

2 Answers

1566 views
What are two ways that TCP uses the sequence numbers in a segment?
G. Cole, English Professor
Answered: Sep 25, 2020
Two ways by which TCP uses the sequence numbers when it comes within a segment are: 1. for the identification of the segment that might be missing at the destination. 2. for reassem...Read More

3 Answers

1249 views
What are the three characteristics of CSMA/CD?
L. Hawkes, Teacher
Answered: Oct 16, 2018
If you are not too aware of what CSMA/CD is, this is a media control method. This is known to be one of the early methods that are used in order to do networking. It will defer the other tr...Read More

2 Answers

1190 views
What are the functions of TCP or UDP when the data is being sent from the PC to a destination server?
E. Good
Answered: Jan 17, 2019
The three statements that correctly describe the function of the TCP or the UDP are the following: First, letter A. This means that the destination port of the UDP recognizes the service or the...Read More

2 Answers

810 views
What actions are performed by a CISCO switch?
Bergeront Tiffney, Computer Engineer
Answered: Dec 17, 2018
The Cisco switch is also known as a catalyst. This Catalyst is the brand name for the switches used in networks. They are used as part of the operating systems and it allows certain software...Read More

3 Answers

637 views
In what two situation would UDP be the preferred transport protocol over TCP?
J.Barbara
Answered: Mar 07, 2018
When a faster delivery mechanism is needed and D. When applications do not need to guarantee delivery of the data.
UDP and TCP are both protocols that are used to send bits of data...Read More

2 Answers

628 views
What three services are provided by the transport layer?
Wyatt Williams
Answered: Jan 21, 2025
Flow control
Connection establishment
Error recovery

1 Answer

595 views
What will the destination address be in the frame when it leaves host A if host A sends an IP packet to host B?
E. Stanley, Technical writer
Answered: Jun 27, 2018
The answer to this question is letter E. A destination address refers to the main point that will be considered as the endpoint. This means that destination A to destination B is two different...Read More

2 Answers

573 views
How would you characterize User Datagram Protocol(UDP)?
B.Lisa
Answered: Jan 29, 2018
UDP refers to User datagram protocol. This is one of the core members of the internet protocol suite also known simply as IP. UDP is characterized by the fact that it provides connectionless fast...Read More

2 Answers

569 views
Which OSI layer defines the functions of logical network-wide addressing and routing?
Bergeront Tiffney, Computer Engineer
Answered: Dec 18, 2018
The OSI model stands for the Open Systems Interconnection model. This involves the communication system needed for a computer to function and communicate to other systems. There are seven layers...Read More

3 Answers

524 views
How would you define a collision domain?
John Smith
Answered: Jan 21, 2025
All devices connected to an Ethernet hub

1 Answer

443 views
What is the purpose of using SSH to connect to a router?
Kkintner
Answered: Jan 21, 2025
It allows a secure remote connection to the router command line interface.

1 Answer

430 views
What are the function of demodulation by a modem?
Ajeff
Answered: Jan 21, 2025
Decoding an incoming analog electrical signal from the PSTN into a digital signal

1 Answer

421 views
What is CSMA/CD algorithm?
Ajeff
Answered: Jan 21, 2025
Collisions can happen, but the algorithm defines how the computers should notice a collision and how to recover.

1 Answer

419 views
How would you describe the functions or characteristics of ROM in a router?
Kkintner
Answered: Jan 21, 2025
Maintains instructions for POST diagnostics
Stores bootstrap program

1 Answer

404 views

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