N10-007 Online Practice Questions and Answers

Which of the following has a maximum transfer rate of 54Mbps and operates at the 5GHz frequency?

A. 802.11a

B. 802.11b

C. 802.11g

D. 802.11n

A workstation is configured with the following network details:

Software on the workstation needs to send a query to the local subnet broadcast address. To which of the following addresses should the software be configured to send the query?

A. 10.1.2.0

B. 10.1.2.1

C. 10.1.2.23

D. 10.1.2.255

E. 10.1.2.31

A network technician is attempting to resolve an issue for two users. The users unplugged and moved their laptops to a different cubicle to work together. The NIC LED Is lit on both laptops, but the users are not able to access the network resources. Which of the following is MOST likely preventing access?

A. Port security

B. Auto-MDIX

C. BDPU guard

D. DHCP snooping

A wireless network was installed in a warehouse for employees to scan crates with a wireless handheld scanner. The wireless network was placed in the corner of the building near the ceiling for maximum coverage. However, users in the offices adjacent to the warehouse have noticed a large amount of signal overlap from the new network. Additionally, warehouse employees report difficulty connecting to the wireless network from the other side of the building; however, they have no issues when they are near the antenna. Which of the following is MOST likely the cause?

A. The wireless signal is being refracted by the warehouse's windows.

B. The antenna's power level was set too high and is overlapping.

C. An omnidirectional antenna was used instead of a unidirectional antenna.

D. The wireless access points are using channels from the 5GHz spectrum.

Users are reporting their network is extremely slow. The technician discovers pings to external host have excessive response times. However, internal pings to printers and other PCs have acceptable response times. Which of the following steps should the technician take NEXT?

A. Determine if any network equipment was replaced recently

B. Verify malware has not disabled the users' PC firewalls

C. Replace users' network cables with known-good network cables

D. Power cycle the web server

Which of the following is the number of broadcast domain that are created when using an unmanaged 12-port switch?

A. 0

B. 1

C. 2

D. 6

E. 12

Which of the following default ports should be opened on a firewall to allow for SSH and Telnet? (Select TWO)

A. 21

B. 22

C. 23

D. 25

E. 123

F. 443

A user calls the help desk for assistance with setting up a new SOHO router. The user has three employees who all have laptops that need to connect to the wireless network. The users need to have firewall rules allowing access to an internal server, but cannot be configured with static IP addresses. Which of the following BEST describes what the technician should implement?

A. CNAME record in the users' dynamic DNS accounts

B. Additional lease time for the laptop computers

C. IP helper relay system for configuration hops

D. DHCP reservation for the laptops' MACs

A wireless client is having issues staying connected to the wireless network even though the client is less than 20ft (6m) from the access point. Which if the following is MOST likely the cause?

A. Distance limitations

B. Latency

C. Security type mismatch

D. Absorption

An email server, which is called "Frederick," has an IPv6 address of 2001:5689:23:ABCD:6A, but most users call it "Fred" for short. Which of the following DNS entries is needed so the alias "Fred" can also be used?

A. MX

B. AAAA

C. SRV

D. CNAME

E. TXT

F. NS