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CompTIA JK0-023 Exam Syllabus Topics:

CompTIA Network+ certification Sample Questions:

1. A firewall that operates at Layer 7 of the OSI model is known as a(n):

A) Application level.
B) Circuit gateway.
C) Redundant firewall.
D) Packet filter.

2. The phone company has provided a channelized T1 line. Which of the following should this line be connected to?

A) CSU/DSU
B) Switch
C) IDF
D) MDF

3. A technician has verified that a recent loss of network connectivity to multiple workstations is due to a bad CAT5 cable in the server room wall. Which of the following tools can be used to locate its physical location within the wall?

A) Toner probe
B) Cable certifier
C) Multimeter
D) Cable tester

4. Which of the following is used to allow multiple sources on a single optical cable?

A) SONET
B) DWDM
C) MIMO
D) HSPA+

5. Users report that their Internet connection is slow. Zach, the network technician, has a suspicion that users are streaming video and music. Which of the following would BEST confirm Zach's theory?

A) History logs
B) Traffic analysis
C) SNMP
D) System logs

Solutions: