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CompTIA Network+ certification Sample Questions:

1. A national cable company providing TV, telephone, and Internet service to home users over its IP network, has been tracking a large increase of network bandwidth due to P2P file sharing. Which of the following should the company deploy to ensure excellent TV and telephone service?

A) QoS
B) Fiber optics
C) High availability
D) Load balancing

2. A DSL modem connects to the provider's network using which of the following authentication techniques?

A) MS-CHAP
B) PoE
C) PPPoE
D) EAP

3. Joe, a network administrator, needs to forward HTTP traffic from a SOHO firewall public IP to the internal web server's private IP. Which of the following can Joe implement?

A) PKI
B) DNS
C) RAS
D) NAT

4. Which of the following default ports would need to be open on a firewall to allow remote desktop access?

A) 8080
B) 143
C) 3389
D) 443

5. Which of the following requires the network administrator to schedule a maintenance window?

A) A major release upgrade of a core switch in a test lab.
B) A minor release upgrade of a production router.
C) When the network administrator's laptop must be rebooted.
D) When a company-wide email notification must be sent.

Solutions: