A Learning Portal from Recruitment India
What is a Firewall in Computer Network?
The physical boundary of Network
An operating System of Computer Network
A system designed to prevent unauthorized access
A web browsing Software
Answer with explanation
Answer: Option CExplanation
A system designed to prevent unauthorized access
Workspace
What command is used to create a backup configuration?
copy running backup
config mem
copy running-config startup-config
wr mem
Answer with explanation
Answer: Option CExplanation
The command to back up the configuration on a router is copy running-config startup-config.
Workspace
The protocol data unit(PDU) for the application layer in the Internet stack is
Segment
Datagram
Frame
Message
Answer with explanation
Answer: Option DExplanation
The Protocol Data Unit for Application layer in the Internet Stack (or TCP/IP) is called Message.
Workspace
When the collection of various computers seems a single coherent system to its client, then it is called:
computer network
distributed system
both (a) and (b)
none of the mentioned
Answer with explanation
Answer: Option BExplanation
distributed system
Workspace
A station in a network forwards incoming packets by placing them on its shortest output queue. What routing algorithm is being used?
static routing
flooding
hot potato routing
delta routing
Answer with explanation
Answer: Option CExplanation
hot potato routing
Workspace
What are the two main types of access control lists (ACLs)?
1. Standard
2. IEEE
3. Extended
4. Specialized
1 and 3
2 and 4
3 and 4
1 and 2
Answer with explanation
Answer: Option AExplanation
Standard and extended access control lists (ACLs) are used to configure security on a router.
Workspace