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CompTIA Network+ certification Sample Questions:

1. Which of the following security devices can receive and process HTTP requests from hosts to allow or deny traffic for web browsing purposes only?

A) VPN concentrator
B) Load balancer
C) DNS server
D) Proxy server

2. The protocols that use a three way handshake to transfer information can be found within which layer of the OSI model?

A) Layer 3
B) Layer 4
C) Layer 5
D) Layer 2

3. A company wants to create highly available datacenters. Which of the following will allow the company to continue to maintain an Internet presence at all sites in the event that a WAN circuit at one site goes down?

A) OSPF
B) Load balancer
C) BGP
D) VRRP

4. A network technician is performing a tracert command to troubleshoot a website-related issue. The following output is received for each hop in the tracert:
1 * * * Request timed out.
2 * * * Request timed out.
3 * * * Request timed out.
The technician would like to see the results of the tracert command. Which of the following will allow the technician to perform tracert on external sites but not allow outsiders to discover information from inside the network?

A) Configure the firewall to allow echo reply in and echo request out of the network
B) Install a backdoor to access the router to allow tracert messages to pass through
C) Enable split horizon to allow internal tracert commands to pass through the firewall
D) Enable IGMP messages out and block IGMP messages into the network

5. Which of the following protocols does DNS utilize on port 53?

A) TCP
B) ICMP
C) FTP
D) RTP

Solutions: