Page 26 of 31 Β· 604 total questions.
A systems administrator is resolving connectivity issues to an organizationβs DNS server. While troubleshooting, the administrator performs remote scans ana receives the following output: Which or the following should the systems administrator investigate?
The correct answer is B. Option B: Unused services
A network administrator is implementing dynamic routing protocols for a large enterprise network that has several vendor devices. Which of the following is the best choice for an enterprise network with multiple locations and high-bandwidth requirements?
The correct answer is C. Option C: BGP
A wireless administrator is setting up a small mesh network in an open-concept office space. The administrator must select a supported frequency that offers the fastest speeds for the backhaul connection. Which of the following should the administrator select?
The correct answer is B. Option B: 5GHz
A customer wants to segment the local network into eight sections with 30 devices each. A junior network technician needs to select the appropriate subnet mask for the customer's chosen Class Π‘ network. Which of the following meets the requirement?
The correct answer is C. Option C: /27
Which of the following is the best reason to create a golden configuration?
The correct answer is A. Option A: To provide configuration consistency
Employees report that website requests are being redirected to other websites that display different content than expected. Which of the following attacks is most likely causing this issue?
The correct answer is C. Option C: DNS poisoning
Explanation
DNS resolves host names to records such as IP addresses and service locations. DNS poisoning inserts false resolution data so users are redirected to an attacker-controlled destination.
A global company has acquired a local company. The companies are geographically separate. The fully utilized IP address ranges for the two companies are as follows: β’ Global company: 10.0.0.0/16 β’ Local company: 10.0.0.0/24 Which of the following can the network engineer do to quickly connect the two companies and minimize user disruption?
The correct answer is D. Option D: Assign a NAT range to the local company.
Explanation
Network address translation maps addresses between networks and commonly lets private hosts share public connectivity.
An attacker remotely executes a binary file on a server. Which of the following terms describes what the attacker is taking advantage of?
The correct answer is C. Option C: Vulnerability
A company experienced a breach and wants to implement preventive measures. The network administrator is looking for a tool that can collect, analyze, and quickly correlate known attacks. Which of the following software tools can accomplish this task?
The correct answer is B. Option B: SIEM
Explanation
A SIEM centralizes and correlates security events to support detection, investigation, and reporting.
Users are reporting issues with mobile phone connectivity after a cellular repeater was recently installed. Users also note that the phones are rapidly losing battery charge. Which of the following should the technician check first to troubleshoot the issue?
The correct answer is B. Option B: Signal strength
Which of the following is an attack that provides a malicious default gateway IP over a wired network?
The correct answer is D. Option D: Rogue DHCP server
Explanation
DHCP automatically leases IP configuration such as addresses, gateways, and DNS servers to clients.
A network administrator is establishing Layer 3 connectivity between Layer 2 segments. Which of the following does the administrator need to complete this task?
The correct answer is C. Option C: SVI
A company's servers experience a malware attack, which causes a network outage. The source of the attack is traced back to an employee s infected laptop. Which of the following solutions should a network technician implement to mitigate this attack?
The correct answer is B. Option B: NAC
Developers want to create a mobile application that requires a runtime environment, developer tools, and databases. The developers will not be responsible for security patches and updates. Which of the following models meets these requirements?
The correct answer is C. Option C: Platform as a service This option keeps traffic private / properly secured as required.
Which of the following OSI model layers is responsible for determining the most efficient path for frame transfer?
The correct answer is C. Option C: 3
A network technician is setting up a server in an internet-accessible, screened subnet that is mimicking a production server. Which of the following has the technician created?
The correct answer is D. Option D: Honeypot
Which of the following ports is commonly used for DHCPDISCOVER call requests for a new machine on a network?
The correct answer is B. Option B: 68
A company is implementing a solution for users to gain access to a critical application. The solution will verity that the machine meets requirements and that the users have access to the application. Which of the following does this solution describe?
The correct answer is A. Option A: Policy-based authentication
Which of the following would a network administrator most likely use to securely manage a network device on a closed network?
The correct answer is C. Option C: SSH This option keeps traffic private / properly secured as required.
A user calls the help desk stating that an application successfully connects to a server, but the sync process fails when trying to sync data. Which of the following should the help desk use to resolve the issue? (Choose two.)
The correct answer is A, F. Option A: netstat Option F: ping
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