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CCNA Questions and Answers (Q&A)

What are the two functions of a router?
H. Martin, Content Writer
Answered: Sep 16, 2020
A router is a networking device that forwards data packets between computer networks. The two main functions of a router are it connects multiple IP networks and determines the best path to send...Read More

11 Answers

6382 views
What layer of the OSI model does possess Telnet, FTP, and SMTP?
John Smith
Answered: Jan 16, 2021
Application layer-1.1 application layer: provides a means for the user to access information on the network through an application. this layer is the main interface for the user to interact with...Read More

3 Answers

2067 views
What are the types of networking flow control?
John Smith
Answered: Jan 16, 2021
A. buffering
2. C. windowing
3. D. congestion avoidance

Three types of flow control are buffering, windowing & congestion avoidance: + Buffering: If a device receives packets too...Read More

2 Answers

1940 views
Which advantage does the store-and-forward switching method have compared with the cut-through switching method?
T. Lopez, Biology student
Answered: May 17, 2019
The correct answer to this question is Frame error checking. Store-and-forward switching is the method in which the whole frame is stored into internal memory. The structure is checked for errors...Read More

3 Answers

1671 views
Which layer of the OSI reference model is responsible for ensuring reliable end-to-end delivery of data?
Danny R. Glover, Editor
Answered: Jul 11, 2018
The answer to this is Transport. The transport layer is the 4th layer in the OSI Model. This is responsible for the end-to-end communication between the source to the destination. This will make...Read More

3 Answers

1471 views
What is the default Syslog facility level?
W. Pratt, Marketing Analyst
Answered: Apr 03, 2019
The answer is Local7. The default Syslog facility level is Local4 that corresponds 20 on ASA. You can see the facilities on the Syslog server Local0 to Local7 and the default is Local4. By using...Read More

2 Answers

1427 views
Is 203.10.93.30 a valid Host ID after subnetting?
AP_Jake
Answered: Jan 16, 2021
Yes

203.10.93.0 Need 30 Networks 128 64 32 16 8 4 2 1 0 0 0 1 1 1 1 0 = 30 in binary Borrow 5 Bits for of Networks New Subnet Mask = 255.255.255.11111000 (248) or /29 ^...Read More

5 Answers

1355 views
Are CCNA in demand?
John Smith
Answered: Jan 16, 2021
A. There are two broadcast domains in the network.
F. There are seven collision domains in the network.

Only router can break up broadcast domains so in the exhibit there are 2...Read More

3 Answers

1274 views
What is the purpose of the routing process?
H. Jones, Web Content Writer
Answered: Oct 04, 2018
A routing process aids in selecting the paths of the traffic to other networks connected to a router. This helps the users to connect to an Internet connection via routers and other network...Read More

3 Answers

1157 views
What characteristics describe the native VLAN?
K. Myers, Blogger
Answered: Feb 13, 2019
A VLAN (also known as a Virtual Lan) is defined as a domain that is isolated and partitioned inside a computer network. The native VLAN is the only VLAN in a trunk that is not tagged, meaning...Read More

3 Answers

1151 views
What are three benefits of implementing VLANs?
Rapbondoc
Answered: Jan 16, 2021
A higher level of network security can be reached by separating sensitive data traffic from other network traffic.
A more efficient use of bandwidth can be achieved allowing many logical...Read More

1 Answer

1144 views
Which IPv6 address is valid?
L. Hawkes, Teacher
Answered: Jun 28, 2018
The answer for this is letter A. A has an ipv6 address that states 2031:0:130F:9C0:876A:130B. The other addresses are not valid because of different reasons. Right off the bat, we can see that D...Read More

4 Answers

1117 views
Which type of traffic is designed for a native VLAN?
G. Cole, English Professor
Answered: Sep 25, 2020
The type of traffic that is designed for a native VLAN is the untagged traffic. A native VLAN is known to carry the untagged traffic. This traffic is a kind of traffic which its source is not...Read More

2 Answers

1097 views
Why are port numbers included in the TCP header of a segment?
Olive landon, Health science specialist
Answered: Sep 21, 2020
The reason why port numbers are included in the TCP header of a segment is so that the TCP header can easily determine which layer 3 protocol should be used to encapsulate the data. TCP is the...Read More

4 Answers

1096 views
What is a characteristic of the distribution layer in the three layer hierarchical model?
H. Jones, Web Content Writer
Answered: Jul 16, 2018
The answer for the question here would be that it provides access to the rest of the network through switching, routing, and network access policies. The three layer heirarchial model that is...Read More

3 Answers

1092 views

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