Question 11
Which of the following DNS records works as an alias to another record?
A. AAAA
B. CNAME
C. MX
D. SOA
Question 12
A company built a new building at its headquarters __cpLocation. The new building is connected to the company's LAN via fiber-optic cable. Multiple users in the new building are unable to access the company's intranet site via their web browser, but they are able to access internet sites. Which of the following describes how the network administrator can resolve this issue?
A. Correct the DNS server entries in the DHCP scope
B. Correct the external firewall gateway address
C. Correct the NTP server settings on the clients
D. Correct a TFTP Issue on the company's server
Question 13
A technician is installing a new fiber connection to a network device in a datacenter. The connection from the device to the switch also traverses a patch panel connection. The chain of connections is in the following order:
- Device
- LC/LC patch cable
- Patch panel
- Cross-connect fiber cable
- Patch panel
- LC/LC patch cable
- Switch
The connection is not working. The technician has changed both patch cables with known working patch cables. The device had been tested and was working properly before being installed. Which of the following is the MOST likely cause of the issue?
A. TX/RX is reversed
B. An incorrect cable was used
C. The device failed during installation
D. Attenuation is occurring
Question 14
A technician is searching for a device that is connected to the network and has the device's physical network address. Which of the following should the technician review on the switch to locate the device's network port?
A. IP route table
B. VLAN tag
C. MAC table
D. QoS tag
Question 15
Which of the following provides redundancy on a file server to ensure the server is still connected to a LAN even in the event of a port failure on a switch?
A. NIC teaming
B. Load balancer
C. RAID array
D. PDUs
Question 16
An IT organization needs to optimize speeds for global content distribution and wants to reduce latency in high-density user __cpLocations. Which of the following technologies BEST meets the organization's requirements?
A. Load balancing
B. Geofencing
C. Public cloud
D. Content delivery network
E. Infrastructure as a service
Question 17
A user reports being unable to access network resources after making some changes in the office. Which of the following should a network technician do FIRST?
A. Check the system's IP address
B. Do a ping test against the servers
C. Reseat the cables into the back of the PC
D. Ask what changes were made
Question 18
A new cabling certification is being requested every time a network technician rebuilds one end of a Cat 6 (vendor-certified) cable to create a crossover connection that is used to connect switches. Which of the following would address this issue by allowing the use of the original cable?
A. CSMA/CD
B. LACP
C. PoE+
D. MDIX
Question 19
A company hired a technician to find all the devices connected within a network. Which of the following software tools would BEST assist the technician in completing this task?
A. IP scanner
B. Terminal emulator
C. NetFlow analyzer
D. Port scanner
Question 20
A technician is installing a high-density wireless network and wants to use an available frequency that supports the maximum number of channels to reduce interference. Which of the following standard 802.
11 frequency ranges should the technician look for while reviewing WAP specifications?
A. 2.4GHz
B. 5GHz
C. 6GHz
D. 900MHz
