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CISCO Certification Questions

What is CISCO CERTIFICATION ?

Cisco Certification is an IT Professional certification program for Cisco products taken by Networking Professionals. CISCO provides Cisco career certifications at five levels: Entry, Associate, Professional, Expert, and Architect levels. CCENT, CCNA and CCNP are the popular certifications in Cisco at different levels. IT professionals aiming for CISCO certifications should have strong knowledge on the fundamentals of the networking concepts, advanced concepts.

 

CCENT is an entry level certification - CCENT certification covers the following topics: operations of data networks, switched networks, IP addressing scheme and IP services to meet network requirements. Implementing a small routed network, identifying security threats, WAN tasks and more.

 

CCNA is an associate level certification - CCNA certification covers topics as Internetworking basics and models, OSI reference models, Ethernet, Data Encapsulation, TCP/IP, IP addresses, Sub netting basics, backing up and Cisco IOS and configuration, Routing basics, switching services, VLAN basics and memberships, IPv6 addressing and Routing protocols, Virtual private networks and more.

 

CCNP is a professional level certification - CCNP certification covers the following topics in the syllabus: Implementing a multi-area OSPF Network, eBGP based solution, IPv6 based solution, IPv4 or IPv6 based redistribution solution, Layer3 Path Control Solution, Security Extension of layer 2, Switch based layer 3 services, Infrastructure to support advanced services, Troubleshoot Multi Protocol system networks, Maintain and monitor network performance and more.

 

We have a large database of sample questions on 'Cisco certifications' that are frequently asked in the certification exam for your practice.

Popular Latest Rated
Q:

If you want to disable STP on a port connected to a server, which command would you use?

A) disable spanning-tree B) spanning-tree off
C) spanning-tree security D) spanning-tree portfast
 
Answer & Explanation Answer: D) spanning-tree portfast

Explanation:

If you have a server or other devices connected into your switch that you're totally sure won't create a switching loop if STP is disabled, you can use something called portfast on these ports. Using it means the port won't spend the usual 50 seconds to come up while STP is converging.

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Filed Under: CCNA - CISCO Certification

2 8540
Q:

At which layer is routing implemented , enabling connections and path selection between two end systems?

Answer

The Network layer provides routing through an internetwork and logical addressing.

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Subject: CCNA - CISCO Certification

12 8070
Q:

You want to run the new 802.1w on your switches. which of the following would enable this protocol?

A) Switch (config) # Spanning-tree mode rapid-pvst B) Switch#spanning-tree mode rapid-pvst
C) Switch (config)#spanning-tree mode 802.1w D) Switch#spanning-tree mode 802.1w
 
Answer & Explanation Answer: A) Switch (config) # Spanning-tree mode rapid-pvst

Explanation:

802.1w is the also called Rapid Spanning Tree Protocol. It is not enabled by default on Cisco switches, but it is a better STP to run since it has all the fixes that the Cisco extensions provide with 802.1d

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Filed Under: CCNA - CISCO Certification

0 7959
Q:

Which layer combines bits into bytes and bytes into frames, uses MAC addressing , and provides error detection?

Answer

The Data Link layer is responsible for the framing of data packets.

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Subject: CCNA - CISCO Certification

10 7621
Q:

Which layer is responsible for converting data packets from the Data Link layer into electrical signals?

Answer

The physical layer takes frames from the Data Link layer and encodes the 1s and 0s into a digital signal for transmission on the network medium.

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Subject: CCNA - CISCO Certification

7 7532
Q:

The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?

A) Application B) Host-to-Host
C) Internet D) Network Access
 
Answer & Explanation Answer: C) Internet

Explanation:

The four layers of the DoD model are Application/process, Host-to-Host, Internet, and Network Access. The Internet layer is equivalent to the Network layer of the OSI model.

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Filed Under: CCNA - CISCO Certification

3 7507
Q:

You want to ping the loopback address of your IPv6 local host. What will you type?

A) Ping 127.0.0.1 B) Ping 0.0.0.0
C) Ping ::1 D) trace 0.0. :: 1
 
Answer & Explanation Answer: C) Ping ::1

Explanation:

The loop back address with IPv4 is 127.0.0.1 . With IPv6, that address is ::1

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Filed Under: CCNA - CISCO Certification

1 7213
Q:

What is the purpose of Spanning Tree Protocol in a switched LAN?

A) To provide a mechanism for network monitoring is switched environments B) To prevent routing loops in network with redundant paths
C) To prevent switching loops in networks with redundant switched paths D) To manage the VLAN database across multiple switches
 
Answer & Explanation Answer: C) To prevent switching loops in networks with redundant switched paths

Explanation:

The Spanning Tree Protocol (STP) was designed to stop layer 2 loops. All Cisco switches have the STP on by default.

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Filed Under: CCNA - CISCO Certification

1 7201