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CompTIA Network+ certification Sample Questions:

1. A user with a 802.11n WLAN card is connected to a SOHO network and is only able to connect at 11 Mbps with full signal strength. Which of the following standards is implemented on the network?

A) 802.11ac
B) 802.11g
C) 802.11a
D) 802.11b

2. A network engineer is dispatched to an employee office to troubleshoot an issue with the employee's laptop. The employee is unable to connect to local and remote resources. The network engineer flips the laptop's wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue resolved?

A) Layer 7
B) Layer 4
C) Layer 2
D) Layer 3
E) Layer 1

3. If a NIC does not have a link light, there is a failure at which of the following OSI layers?

A) Session
B) Data link
C) Physical
D) Presentation

4. Karen, an administrator, finds a phone line but does not know where the line goes or if it is active. Which of the following can be used to test if it is active?

A) Cable tester
B) Punch down tool
C) Butt set
D) Cable stripper

5. Which of the following wireless standards provide speeds up to 150Mbps?

A) 802.11g
B) 802.11a
C) 802.11b
D) 802.11n

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