133 Best CCNA Questions and Answers (Q&A) - ProProfs Discuss

Rodney.butler
Answered: Apr 25, 2024

PDU 1 is a frame.
PDU 3 is a segment.
The order in which these PDUs are created during the encapsulation process is 3, 4, 1, 2.

1 Answer

675 views

How would you characterize wireless network security?

John Smith
Answered: Apr 25, 2024

With SSID broadcast disabled, an attacker must know the SSID to connect.
Using the default IP address on an access point makes hacking easier.

1 Answer

660 views

How would you describe a router memory type and its contents?

John Smith
Answered: Apr 25, 2024

ROM is nonvolatile and stores a limited version of the IOS.
RAM is volatile and stores the running version of the IOS.

1 Answer

657 views

What is the operation of DHCP?

John Smith
Answered: Apr 25, 2024

If an address conflict is detected, the address is removed from the pool and an administrator must resolve the conflict.

An address conflict occurs when two hosts use the same IP address....Read More

1 Answer

653 views

Which type of traffic would most likely have problems when passing through a NAT device?

L. Brett, Sales Manager
Answered: May 29, 2019

NAT stands for the Network address translation. A NAT device is a modification and reorganization of an IP address space. This space is changed through the network address. There may be issues...Read More

2 Answers

642 views

How difficult is the CCNA?

J. Goodman, Web Content Writer
Answered: Feb 11, 2019

Access control lists are a set of rules which control network traffic and mitigates network attacks. The goal of Access Control Lists to filter traffic based on given filtering criteria. Access...Read More

2 Answers

634 views

What type of ICMP protocol used primarily for control and messaging services?

Anthony Paul Bonadio, Teacher
Answered: Dec 17, 2018

ICMP stands for Internet Control Message Protocol. Its main purpose is to inform people over the internet that their request was either received in error or there was some sort of error in trying...Read More

2 Answers

631 views

What is indicated by the M in the CISCO iOS image name c1900-universalk9-mz.SPA.153-3.M.bin?

Barry Mclean, Sales Manager
Answered: Jan 10, 2019

Cisco IOS also stands for Internetwork Operating System. The company’s name is Cisco Systems and the product is IOS. There are different versions of Cisco IOS which are separated by three...Read More

2 Answers

630 views

What is a function of the data link layer CCNA?

Gaaabriel
Answered: Apr 25, 2024

PP can use synchronous and asynchronous circuits.
PPP uses LCPs to establish, configure, and test the data-link connection.
PPP uses LCPs to agree on format options such as authentication,...Read More

1 Answer

619 views

Which route will a router use to forward an IPv4 packet after examining its routing table for the best match with the destination address?

Barry Mclean, Sales Manager
Answered: Jan 10, 2019

In regard to computers, a router is a device issues information from one computer network to another. There are routers that can be wireless. Each router takes a different route to a different...Read More

2 Answers

616 views

Which of the following are benefits of VLANs?

Rapbondoc
Answered: Apr 25, 2024

They allow logical grouping of users by function.
They can enhance network security.
They increase the number of broadcast domains while decreasing the size of the broadcast...Read More

2 Answers

610 views

How can I get CCNA certification for free?

Sandroliclic
Answered: Apr 25, 2024

Frame forwarding decisions are based on MAC address and port mappings in the CAM table.

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1 Answer

599 views

Which change should be made to the static route command so that traffic will only use the OSPF link when it is up?

John Smith
Answered: Apr 25, 2024

Change the administrative distance to 120.

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1 Answer

585 views

Is CCNA good for beginners?

Sandroliclic
Answered: Apr 25, 2024

The source MAC address and the incoming port

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1 Answer

584 views

How many switch ports on the access layer switches will be available in the switch block to support end device (in the case below)?

Markda John
Answered: Jan 02, 2018

There will be 176 ports to support end devices. However, this is one word problem that I am unable to figure out by myself; this was the answer given by the person before me. The four ports by...Read More

2 Answers

579 views

CCNA Questions and Answers (Q&A)

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