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Q16. CORRECT TEXT
Alter recent changes to the pictured network, several users are unable to access the servers. Only PC1, PC2, PC3, and PC4 are clickable and will give you access to the command prompt and the adapter configuration tabs.
Instructions: Verify the settings by using the command prompt, after making any system changes. Next, restore connectivity by making the appropriate changes to the infrastructure. When you have completed these steps, select the Done button to submit.
Answer:
On PC3, change the subnet mask to 255.255.255.0. When it is set to 255.255.255.128, then the PC with a .129 address will not be on the same subnet as the default gateway which is .1 On PC4, change the default gateway to 10.0.2.1. It has been incorrectly set as 10.1.2.1.
Q17. While troubleshooting a connectivity issue, a network technician determines the IP address of a number of workstations is 169.254.0.0/16 and the workstations cannot access the Internet. Which of the following should the technician check to resolve the problem?
A. Default gateway address
B. Misconfigured DNS
C. DHCP server
D. NIC failure
Answer: C
Q18. A technician would like to track the improvement of the network infrastructure after upgrades. Which of the following should the technician implement to have an accurate comparison?
A. Regression test
B. Speed test
C. Baseline
D. Statement of work
Answer: C
Q19. Which of the following connection types is used to terminate DS3 connections in a telecommunications facility?
A. 66 block
B. BNC
C. F-connector
D. RJ-11
Answer: B
Q20. A company has seen an increase in ransomware across the enterprise. Which of the following should be implemented to reduce the occurrences?
A. ARP inspection
B. Intrusion detection system
C. Web content filtering
D. Port filtering
Answer: C
Q21. An administrator has a virtualization environment that includes a vSAN and iSCSI switching. Which of the following actions could the administrator take to improve the performance of data transfers over iSCSI switches?
A. The administrator should configure the switch ports to auto-negotiate the proper Ethernet settings.
B. The administrator should configure each vSAN participant to have its own VLAN.
C. The administrator should connect the iSCSI switches to each other over inter-switch links (ISL).
D. The administrator should set the MTU to 9000 on the each of the participants in the vSAN.
Answer: D
Q22. Two weeks after installation, a network technician is now unable to log onto any of the newly installed company switches. The technician suspects that a malicious user may have changed the switches' settings before they were installed in secure areas. Which of the following is the MOST likely way in which the malicious user gained access to the switches?
A. Via SSH using the RADIUS shared secret
B. Via HTTP using the default username and password
C. Via console using the administrator's password
D. Via SNMP using the default RO community
Answer: B
Q23. A technician is connecting a NAS device to an Ethernet network. Which of the following technologies will be used to encapsulate the frames?
A. HTTPS
B. Fibre channel
C. iSCSI
D. MS-CHAP
Answer: C
Q24. A wireless network technician for a local retail store is installing encrypted access points within the store for real-time inventory verification, as well as remote price checking capabilities, while employees are away from the registers. The store is in a fully occupied strip mall that has multiple neighbors allowing guest access to the wireless networks. There are a finite known number of approved handheld devices needing to access the store's wireless network. Which of the following is the BEST security method to implement on the access points?
A. Port forwarding
B. MAC filtering
C. TLS/TTLS
D. IP ACL
Answer: B
Q25. A network technician receives the following alert from a network device:
"High utilizations threshold exceeded on gi1/0/24 : current value 9413587.54"
Which of the following is being monitored to trigger the alarm?
A. Speed and duplex mismatch
B. Wireless channel utilization
C. Network device CPU
D. Network device memory
E. Interface link status
Answer: E
Q26. An organization requires a second technician to verify changes before applying them to network devices. When checking the configuration of a network device, a technician determines that a coworker has improperly configured the AS number on the device. This would result in which of the following?
A. The OSPF not-so-stubby area is misconfigured
B. Reduced wireless network coverage
C. Spanning tree ports in flooding mode
D. BGP routing issues
Answer: D
Q27. A user with a 802.11n WLAN card is connected to a SOHO network and is only able to connect at 11 Mbps with full signal strength. Which of the following standards is implemented on the network?
A. 802.11a
B. 802.11ac
C. 802.11b
D. 802.11g
Answer: C
Q28. Which of the following describes an area containing a rack that is used to connect customer equipment to a service provider?
A. 110 block
B. MDF
C. DSU
D. CSU
Answer: B
Q29. A technician needs to install software onto company laptops to protect local running services, from external threats. Which of the following should the technician install and configure on the laptops if the threat is network based?
A. A cloud-based antivirus system with a heuristic and signature based engine
B. A network based firewall which blocks all inbound communication
C. A host-based firewall which allows all outbound communication
D. A HIDS to inspect both inbound and outbound network communication
Answer: C
Q30. Which of the following network topologies has a central, single point of failure?
A. Ring
B. Star
C. Hybrid
D. Mesh
Answer: B