Which of the following protocols is used by a server to assign IP addresses?
A. DNS
B. SMTP
C. LDAP
D. DHCP
CompTIA exam questions
Which of the following protocols is used by a server to assign IP addresses?
A. DNS
B. SMTP
C. LDAP
D. DHCP
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
Network cards have a unique hex number assigned to every unit. This number is known as which of the following?
A. IP address
B. LUN
C. Network ID
D. MAC address
Which of the following should a technician configure on a small office home office (SOHO) wireless router so IP addresses are automatically assigned to devices on the wireless network?
A. MAC filtering
B. DHCP
C. NAT
D. DNS
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
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B. Out of date Ethernet driver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
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
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
Which of the following features would hide internal IP addresses from the Internet?
A. Network Address Translation
B. Port forwarding
C. Quality of Service
D. SSID broadcast
A technician needs to harden a wireless small office home office (SOHO) network so that internal IP addresses are hidden from Internet users. Which of the following should the technician configure?
A. Configure NAT
B. Configure port forwarding
C. QoS
D. SSID broadcast