CompTIA Security+ Question K-73

A company has recently implemented a high density wireless system by having a junior technician install two new access points for every access point already deployed. Users are now reporting random wireless disconnections and slow network connectivity. Which of the following is the MOST likely cause?

A. The old APs use 802.11a
B. Users did not enter the MAC of the new APs
C. The new APs use MIMO
D. A site survey was not conducted

Answer: D

Explanation:
To test the wireless AP placement, a site survey should be performed.

CompTIA Security+ Question B-15

A company wants to ensure that its hot site is prepared and functioning. Which of the following would be the BEST process to verify the backup datacenter is prepared for such a scenario?

A. Site visit to the backup data center
B. Disaster recovery plan review
C. Disaster recovery exercise
D. Restore from backup

Answer: C

Explanation:
A hot site is a location that can provide operations within hours of a failure. This type of site would have servers, networks, and telecommunications equipment in place to reestablish service in a short time. Hot sites provide network connectivity, systems, and preconfigured software to meet the needs of an organization. This means that an actual exercise run would test the abilities of your hot site best.

CompTIA Security+ Question A-12

Which of the following disaster recovery strategies has the highest cost and shortest recovery time?

A. Warm site
B. Hot site
C. Cold site
D. Co-location site

Answer: B

Explanation:
A hot site is a location that can provide operations within hours of a failure. This type of site would have servers, networks, and telecommunications equipment in place to reestablish service in a short time. Hot sites provide network connectivity, systems, and preconfigured software to meet the needs of an organization. Databases can be kept up-to-date using network connections. These types of facilities are expensive, and they’re primarily suitable for short-term situations.

CompTIA Network+ Question C-91

A network technician receives a call from a use who is experiencing network connectivity issues. The network technician questions the user and learns the user brought in a personal wired router to use multiple computers and connect to the network. Which of the following has the user MOST likely introduced to the network?

A. Rogue DHCP server
B. Evil twin
C. VLAN mismatch
D. Honeypot

Correct Answer: A

CompTIA Network+ Question A-94

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. Cable certifier
B. Multimeter
C. Cable tester
D. Toner probe

Correct Answer: D

Explanation:
Toner probes are specifically used to trace cables hidden in floors, ceilings, or walls. They can also be used to track cables from the patch panels to their destinations.

CompTIA Network+ Question A-39

When a client calls and describes a problem with a computer not being able to reach the Internet, in which of the following places of the OSI model would a technician begin troubleshooting?

A. Transport layer
B. Physical layer
C. Network layer
D. Session layer

Correct Answer: B

Explanation:
The bottom layer of the OSI reference model is Layer 1, the physical layer.
The physical layer is the layer that defines the hardware elements of a network. These elements include:
Network Interface Cards Network topology Network cabling
The type of signals used for data transmissions
When troubleshooting a network connectivity issue, the first thing you would check is the computer’s network cabling, the network card etc. In other words, the computer’s physical connection to the network.

CompTIA A+ 220-902 Question J-62

A technician is trying to troubleshoot an issue on a Windows 7 computer remotely, but is unable to PING the computer. The technician verified that the computer is turned on, has network connectivity, and can get to the Internet. Which of the following is MOST likely the issue?

A. The technician does not have permissions
B. Local security policy settings is incorrect
C. Wake-on-LAN is disabled
D. Windows firewall is enabled

CompTIA A+ 220-902 Question J-39

A new user reports that they are unable to login to the corporate network on their desktop but they are able to access the WLAN from their mobile device. After further inspection, the technician realizes that the wall port is not wired correctly. Which of the following tools would be used to permanently restore network connectivity to the desktop?

A. Wireless locator
B. Tethering with mobile device
C. Punchdown tool
D. Crimper

Correct Answer: C

CompTIA A+ 220-902 Question F-25

After connecting a laptop to an external monitor, no display is detected and the monitor goes into sleep mode. Which of the following should be attempted FIRST to correct the problem? (Select TWO).

A. Change the input mode on the monitor
B. Reboot the operating system
C. Reload the display adapter drivers
D. Toggle the display using the keyboard shortcut
E. Verify network connectivity