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Q1. A network engineer needs to set up a topology that will not fail if there is an outage on a single piece of the topology. However, the computers need to wait to talk on the network to avoid congestions. Which of the following topologies would the engineer implement?
A. Star
B. Bus
C. Ring
D. Mesh
Answer: C
Q2. A network administrator recently installed a web proxy server at a customer's site. The following week, a system administrator replaced the DNS server overnight. The next day, customers began having issues accessing public websites. Which of the following will resolve the issue?
A. Update the DNS server with the proxy server information.
B. Implement a split horizon DNS server.
C. Reboot the web proxy and then reboot the DNS server.
D. Put the proxy server on the other side of the demarc.
Answer: A
Q3. A SQL server needs several terabytes of disk space available to do an uncompressed backup of a database. Which of the following devices would be the MOST cost efficient to use for this backup?
A. iSCSI SAN
B. FCoE SAN
C. NAS
D. USB flash drive
Answer: C
Q4. A network technician is attempting to connect a new host to existing manufacturing equipment on an Ethernet network. The technician is having issues trying to establish communication between the old equipment and the new host. The technician checks the cabling for breaks and finds that the CAT3 cable in use is in perfect condition. Which of the following should the technician check to ensure the new host will connect?
A. Confirm the new host is using 10GBaseSR due to the manufacturing environment
B. Confirm the new host is compatible with 10BaseT Ethernet
C. Confirm the existing 10Base2 equipment is using the proper frame type
D. Confirm that CSMA/CD is disabled on the Ethernet network
Answer: B
Q5. A desktop computer is connected to the network and receives an APIPA address but is unable to reach the VLAN gateway of 10.10.100.254. Other PCs in the VLAN subnet are able to reach the Internet. Which of the following is MOST likely the source of the problem?
A. 802.1q is not configured on the switch port
B. APIPA has been misconfigured on the VLAN
C. Bad SFP in the PC's 10/100 NIC
D. OS updates have not been installed
Answer: A
Q6. A network technician is attempting to locate a switch connected to the fourth floor west side of the building. Which of the following will allow quick identification of the switch, when looking at a logical diagram?
A. Building layout
B. Patch panel labeling
C. Packet sniffing
D. Naming conventions
Answer: D
Q7. A network administrator has created a virtual machine in the cloud. The technician would like to connect to the server remotely using RDP. Which of the following default ports needs to be opened?
A. 445
B. 3389
C. 5004
D. 5060
Answer: B
Q8. Which of the following network devices use ACLs to prevent unauthorized access into company systems?
A. IDS
B. Firewall
C. Content filter
D. Load balancer
Answer: B
Q9. Which of the following technologies is designed to keep systems uptime running in the event of a disaster?
A. High availability
B. Load balancing
C. Quality of service
D. Caching engines
Answer: A
Q10. A network technician has been tasked with designing a WLAN for a small office. One of the requirements of this design is that it is capable of supporting HD video streaming to multiple devices. Which of the following would be the appropriate wireless technology for this design?
A. 802.11g
B. 802.11ac
C. 802.11b
D. 802.11a
Answer: B
Q11. After connecting a workstation directly to a small business firewall, a network administrator is trying to manage it via HTTPS without losing its stored configuration. The only two pieces of information that the network administrator knows about the firewall are the management interface MAC address, which is 01:4a:d1:fa:b1:0e, and the administrator's password. Which of the following will allow the administrator to log onto the firewall via HTTPS if the management's IP address is unknown and the administrator's workstation IP address is 192.168.0.10/23?
A. Use the reset button on the back of the firewall to restore it to its factory default, and then log onto
B. Run the following command on the administrator's workstation: arp –s 192.168.1.200 01:4a:d1:fa:b1:0e
C. Use an SNMP tool to query the firewall properties and determine the correct management IP address
D. Use a crossover cable to connect to the console port and reconfigure the firewall management IP to 192.168.0.1
Answer: B
Q12. A network technician is using a network monitoring system and notices that every device on a particular segment has lost connectivity. Which of the following should the network technician do NEXT?
A. Establish a theory of probable cause.
B. Document actions and findings.
C. Determine next steps to solve the problem.
D. Determine if anything has changed.
Answer: D
Q13. A network engineer is dispatched to an employee office to troubleshoot an issue with the employee's laptop. The employee is unable to connect to local and remote resources. The network engineer flips the laptop's wireless switch on to resolve the issue. At which of the following layers of the OSI model was the issue resolved?
A. Layer 1
B. Layer 2
C. Layer 3
D. Layer 4
E. Layer 7
Answer: A
Q14. A network technician has detected a personal computer that has been physically connected to the corporate network. Which of the following commands would the network technician use to locate this unauthorized computer and determine the interface it is connected to?
A. nbtstat –a
B. show mac address-table
C. show interface status
D. show ip access-list
E. nslookup hostname
Answer: B
Q15. Which of the following physical security controls prevents an attacker from gaining access to a network closet?
A. CCTVs
B. Proximity readers
C. Motion sensors
D. IP cameras
Answer: B