CompTIA A+ Question G-57

Which of the following protocols is used by a server to assign IP addresses?

A. DNS
B. SMTP
C. LDAP
D. DHCP

Correct Answer: D

CompTIA A+ Question G-33

A computer technician is installing a new wireless router for a small office. The office already has an internal device that assigns addresses to users. Which of the following functions needs to be disabled on the router to prevent conflicts?

A. DMZ capability
B. MAC filtering capability
C. Network Address Translation
D. DHCP server functionality

Correct Answer: D

Explanation:
DHCP automatically assigns IP address, subnet mask and default gateway to provide access to workstations. Disable DHCP server before installing a wireless router so that you can configure it without DHCP assigning IP addresses to other computers.

CompTIA A+ Question F-75

A technician cannot communicate with one particular IP address and needs to narrow down where the traffic is stopping. Which of the following commands would be used to determine this?

A. nslookup
B. ipconfig
C. nbtstat
D. ping
E. tracert

Correct Answer: E

CompTIA A+ Question F-70

A user, Emily, reports that her company laptop cannot pick up a wireless connection in certain areas of a building. However, users working on their laptops in the common areas have Internet connectivity. Which of the following is the MOST likely cause?

A. Weak RF signals
B. Out of date Ethernet driver
C. Enabled MAC filtering
D. Duplicate IP addresses

Correct Answer: A

CompTIA A+ Question F-67

A user, Emily, logs in to her computer and receives an error that states “this IP address is already in use”. All computers are assigned dynamic IP addresses. When following best practices, which of the following commands should the technician run? (Select TWO).

A. ipconfig
B. ipconfig /release
C. ipconfig /flushdns
D. ipconfig /renew
E. ipconfig /?
F. ipconfig /all

Correct Answer: BD

CompTIA A+ Question F-41

A technician needs to configure a wireless small office home office (SOHO) network to provide IP addresses to devices on the network. Which of the following features should be enabled?

A. MAC filtering
B. DHCP
C. SSID broadcast
D. Port forwarding

Correct Answer: B

Explanation:
Configure DHCP to assign IP addresses to devices on the network automatically. DHCP uses a range of IP addresses to provide connectivity and access to various devices that connect to a network.