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CompTIA Network+ certification Sample Questions:

1. Which of the following WAN technologies uses four wires for digital and a 66 block?

A) Cable
B) POTS
C) ATM
D) T3

2. Which of the following ports would have to be allowed through a firewall for NTP to pass on its default port?

A) 163
B) 143
C) 153
D) 123

3. Which of the following should be mitigated by employing proper coding techniques when developing software?

A) Buffer overflows
B) War driving
C) Distributed denial of service attacks
D) Packet sniffing

4. Users have been stating that they need to logon to too many applications and web apps with different credentials that use different rule sets. Which of the following would BEST address these concerns?

A) Implement a software solution that facilitates single sign-on authentication.
B) Ensure that the user accounts are properly configured in domain services.
C) Alter the domain account login policies to reflect the most common application rule sets.
D) Increase the time between mandatory password changes by a factor of three.

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

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

Solutions: