Q61
Q61 How does a distance-vector routing protocol determine the best route?
By counting hops
By measuring latency
By bandwidth
By using a cost metric
Q62
Q62 What is the primary benefit of using a routing protocol like EIGRP compared to RIP?
Faster convergence
Higher security
Simpler configuration
Less bandwidth usage
Q63
Q63 Which routing protocol is classified as an Exterior Gateway Protocol (EGP)?
OSPF
EIGRP
BGP
RIP
Q64
Q64 What mechanism does OSPF use to prevent routing loops?
Split horizon
Route poisoning
Link-state advertisement
Area designations
Q65
Q65 In BGP, what is the purpose of the AS_PATH attribute?
To encrypt data packets
To specify the priority of routes
To record the path of ASes
To specify the route source
Q66
Q66 Which command can display the routing table on a Cisco router?
show ip route
display ip routing-table
route print
netstat -r
Q67
Q67 How can you manually add a static route to the routing table in Linux?
Using the route add command
Using the ifconfig command
Editing the /etc/hosts file
Using the ip route add command
Q68
Q68 In Cisco IOS, how can you redistribute OSPF routes into EIGRP?
By configuring redistribution in the OSPF process
By configuring redistribution in the EIGRP process
By using access lists
By using route maps
Q69
Q69 If a newly added network is not appearing in the routing tables, what should be checked first?
Physical connections
Route summarization settings
Access control lists
Network advertisements
Q70
Q70 A router is not choosing the expected path for traffic, what might be misconfigured?
Interface bandwidth settings
Routing protocol priorities
Next-hop IP addresses
All of the above
Q71
Q71 How can you resolve a persistent routing loop between two routers?
Increasing the hop count limit
Implementing hold-down timers
Correcting mismatched subnet masks
Configuring route filtering
Q72
Q72 What is the main difference between TCP and UDP?
TCP is connectionless, while UDP is connection-oriented
TCP is connection-oriented, while UDP is connectionless
TCP is faster than UDP
UDP is more secure than TCP
Q73
Q73 Which protocol is typically used for streaming media?
TCP
UDP
SCTP
RTP
Q74
Q74 How does TCP ensure data is delivered reliably and in the correct order?
By using error detection codes
By using sequence numbers and acknowledgments
By compressing data packets
By encrypting data packets
Q75
Q75 In TCP, what mechanism is used to control the rate of data transmission to prevent network congestion?
Error correction
Flow control
Data encryption
Data compression
Q76
Q76 What is the purpose of a TCP three-way handshake?
To establish a secure connection
To synchronize sequence numbers and acknowledge the connection
To compress data
To encrypt data
Q77
Q77 Which TCP header field is used for flow control?
Sequence Number
Acknowledgment Number
Window Size
Checksum
Q78
Q78 How does UDP handle error checking?
It uses sequence numbers and acknowledgments
It includes a checksum for error detection
It encrypts data packets
It compresses data packets
Q79
Q79 What is TCP's initial congestion window size typically set to?
1 MSS (Maximum Segment Size)
2 MSS
3 MSS
4 MSS
Q80
Q80 In TCP, what is the function of the congestion avoidance algorithm?
To reduce the data transmission rate before packet loss occurs
To encrypt data
To compress data
To ensure data is sent in order
Q81
Q81 How can you check open TCP ports on a Windows machine?
netstat -an
ipconfig /all
ifconfig -a
traceroute
Q82
Q82 In Linux, how can you view the UDP sockets currently in use?
netstat -au
ifconfig
ip addr
ss -u
Q83
Q83 How can you set a specific TCP window size when using the iperf command for testing?
iperf -w [size]
iperf -s
iperf -c [hostname]
iperf -l [length]
Q84
Q84 If a client is experiencing delayed TCP connections, what could be a potential cause?
Incorrect subnet mask
Slow DNS resolution
Incorrect routing
Firewall settings
Q85
Q85 A UDP-based application is experiencing packet loss.
What should be investigated first?
Application error handling
Network congestion
Incorrect port numbers
Firewall settings
Q86
Q86 How can you troubleshoot intermittent TCP connection timeouts?
Checking for faulty network hardware
Increasing the TCP timeout settings
Verifying network path stability
All of the above
Q87
Q87 What is the primary function of HTTP in the web architecture?
To encrypt data
To compress data
To transfer hypertext documents
To stream video content
Q88
Q88 FTP uses which mode for establishing data connections by default?
Active mode
Passive mode
Secure mode
Anonymous mode
Q89
Q89 Which of the following HTTP methods is idempotent and used for updating resources on a server?
GET
POST
PUT
DELETE
Q90
Q90 In HTTP, what status code indicates that the requested resource has been permanently moved to a new URL?
200 OK
301 Moved Permanently
404 Not Found
500 Internal Server Error
