QUESTION 161
A vendor is deploying equipment that requires the device to maintain the same IP address. Which of the following should a network engineer implement?
A. DHCP reservation
B. DHCP exclusion
C. DHCP lease time
D. DHCP scope
Correct Answer: A
QUESTION 162
A systems administrator needs to prevent users from accessing objectionable websites and must find a solution that is adaptable and easy to manage. Which of the following types of filtering should the administrator implement?
A. URL
B. Content
C. MAC
D. IP
Correct Answer: A
QUESTION 163
A network administrator is managing network traffic so that it does not exceed the configured threshold. Which of the following technologies should the network administrator use?
A. Load balancing
B. Time to live
C. Quality of service
D. Content delivery network
Correct Answer: C
QUESTION 164
A new company is assigned a public /24 IP address block by the ISP. The company network is expected to have 1.000 IP-addressable devices. A network engineer is implementing a firewall at the internet edge for security. Which of the following actions should the engineer take to successfully implement IP addresses on the company network?
A. Use RFC1918 addresses internally and the public address block externally on the firewall with NAT.
B. Apply VLSM to create appropriately sized subnets for use on the internal network as well as on the firewall.
C. Obtain an additional public /23 IP address block from the ISP to ensure there are enough addresses.
D. Confirm that each network device has an appropriate APIPA address and use the public address block externally.
Correct Answer: A
QUESTION 165
A network administrator connects a new copper circuit The connection works during testing, but it does not return the expected speed results. Which of the following should the network administrator verify next?
A. 802.1Q tagging
B. Duplex setting
C. MTU size
D. Cable attenuation
Correct Answer: B
QUESTION 166
Which of the following protocols works with different directories and serves usernames, passwords, and printer connection data?
A. SNMP
B. LDAP
C. SMB
D. DHCP
Correct Answer: B
QUESTION 167
A network administrator for a small office is adding a passive IDS to its network switch for the purpose of inspecting network traffic. Which of the following should the administrator use?
A. SNMP trap
B. Port mirroring
C. Syslog collection
D. API integration
Correct Answer: B
QUESTION 168
A network engineer needs to identify and resolve wireless signal overlap between the main office and an adjacent building to ensure reliable connectivity for both locations. Which of the following tools would the engineer most likely use to show signal strength?
A. Flow data analyzer
B. Spectrum analyzer
C. Packet analyzer
D. Protocol analyzer
Correct Answer: B
QUESTION 169
Remote employees use personal devices to connect to the corporate network However, their devices have been compromised in the past, leading to unauthorized access. Which of the following network security solutions should the company implement to mitigate this risk?
A. IDS
B. Two-factor authentication
C. Captive portal
D. Firewall
Correct Answer: B
QUESTION 170
Which of the following documentation sources should be consulted to determine which subnets are available for a company’s new, multidepartment office building?
A. Logical diagram
B. IPAM
C. SLA
D. Baseline configuration
Correct Answer: B
QUESTION 171
A network technician needs to securely transfer files remotely. Which of the following ports should the technician use?
A. 20
B. 22
C. 23
D. 25
Correct Answer: B
QUESTION 172
A company security policy requires all network traffic from remote employees’ corporate laptops to use the company’s VPN. Which of the following network access methods best describes this scenario?
A. Clientless VPN
B. Full-tunnel
C. Site-to-site tunnel
D. Split-tunnel
Correct Answer: B
QUESTION 173
Which of the following is used to redistribute traffic between one source and multiple servers that run the same service?
A. Router
B. Switch
C. Firewall
D. Load balancer
Correct Answer: D
QUESTION 174
Ten new laptops are added to an existing network, and they can only communicate with one another. An administrator reviews documentation and sees the following:
Subnet: 10.8.100.1/24
Scope: 10.8.100.50 – 10.8.100.150
Reservation: 10.8.100.151 – 10.8.100.175
A technician scans the network and receives the following results:
IP Addresses used: 10.8.100.45 – 10.8.100.175
Which of the following should be done to ensure connectivity on all laptops?
A. Increase the scope to 10.8.100.35 – 10.8.100.150.
B. Increase the scope to 10.8.100.40 – 10.8.100.150.
C. Increase the scope to 10.8.100.40 – 10.8.100.175.
D. Increase the scope to 10.8.100.50 – 10.8.100.175.
Correct Answer: B
QUESTION 175
A network administrator receives a ticket from a user. The user reports that they cannot access any websites and that they have already checked everything on their computer. Which of the following is the first action the administrator should take?
A. Divide and conquer.
B. Establish a theory of probable cause.
C. Question the user.
D. Document the findings.
Correct Answer: C
QUESTION 176
A customer wants to separate the finance department from the marketing department. The network administrator suggests segmenting the existing Class C network into two sections and readdressing all devices appropriately. Which of the following subnet masks should the network administrator use?
A. /24
B. /25
C. /26
D. /27
Correct Answer: B
QUESTION 177
After installing a new 6E wireless router in a small office, a technician notices that some wireless devices are not able to achieve the rated speeds. Which of the following should the technician check to troubleshoot the issue? (Select two).
A. Client device compatibility
B. Back-end cabling
C. Weather phenomena
D. Voltage source requirements
E. Interference levels
F. Processing power
Correct Answer: AE
QUESTION 178
An attack on an internal server is traced to an isolated guest network. Which of the following best describes the attack?
A. On-path
B. DNS poisoning
C. VLAN hopping
D. ARP spoofing
Correct Answer: C
QUESTION 179
During a security audit, a consulting firm notices inconsistencies between the documentation and the environment. Which of the following can keep a record of who made the changes and what the changes are?
A. Network access control
B. Configuration monitoring
C. Zero Trust
D. Syslog
Correct Answer: B
QUESTION 180
Which of the following Layer 1 devices is responsible for the termination of fiber-optic connections on an SFP-capable switch?
A. Transceiver
B. Modem
C. Ethernet NIC
D. Repeater
Correct Answer: A