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NEW QUESTION # 181
A network administrator needs to verify the reachability of hosts after an office experiences an outage. Which of the following will best test connectivity between hosts on the network? (Choose two.)
Answer: A,F
Explanation:
ping tests basic IP connectivity by sending ICMP echo requests to confirm whether a host is reachable. traceroute verifies connectivity while also identifying the path packets take and where failures may occur along the route.
NEW QUESTION # 182
A network administrator needs to divide a Class B network into four equal subnets, each with a host range of
1,000 hosts. Which of the following subnet masks should the administrator use?
Answer: C
Explanation:
The best answer is B. 255.255.252.0 , which is a /22 mask. A Class B network starts with a default mask of
255.255.0.0 or /16 . The question says the administrator wants four equal subnets , which means borrowing 2 bits from the host portion, since 2 borrowed bits gives 2ยฒ = 4 subnets . That moves the mask from /16 to /18 if subnetting is based only on splitting the Class B into four equal parts.
However, the answer choices point toward the host requirement as the deciding factor. Each subnet needs to support about 1,000 hosts . A /22 leaves 10 host bits , which gives 2ยน# = 1024 total addresses , or 1022 usable hosts after subtracting the network and broadcast addresses. That fits the requirement. Among the options provided, 255.255.252.0 is the only mask that supports around 1,000 hosts per subnet.
The smaller masks, /24 and /25 , do not allow enough hosts. The default Class B mask, /16 , does not subnet the network at all. Based on the available choices and the host-capacity requirement, 255.255.252.0 is the correct exam answer.
NEW QUESTION # 183
Several users in an organization report connectivity issues and lag during a video meeting. The network administrator performs a tcpdump and observes increased retransmissions for other non- video applications on the network. Which of the following symptoms describes the users' reported issues?
Answer: B
Explanation:
Packet loss occurs when network packets fail to reach their destination, leading to disruptions in connectivity and performance issues. In this scenario:
Users report connectivity issues and lag during video meetings. The administrator detects increased retransmissions in tcpdump, which is a strong indicator of lost packets that must be resent.
Video meetings are particularly sensitive to packet loss, leading to buffering, frozen screens, and dropped calls.
NEW QUESTION # 184
The leadership team is updated on the results of an approved change request after a breach.
Which of the following troubleshooting methodology steps is described in this example?
Answer: B
Explanation:
Updating leadership on the results of a change after a breach reflects recording what was done and the outcome, which is part of documenting findings, actions, outcomes, and lessons learned in the troubleshooting process.
NEW QUESTION # 185
An IT department is considering implementing a SIEM solution to improve network security. The department wants to ensure that the SIEM system is able to ingest and analyze logs from all of the company's core devices. Which of the following is the most important consideration when selecting a SIEM solution?
Answer: D
Explanation:
The correct answer is C. Compatibility . A SIEM is only effective if it can successfully collect, normalize, and analyze data from the systems the organization relies on. Since the question specifically says the department wants the SIEM to ingest and analyze logs from all core devices , the most important factor is whether the SIEM is compatible with those devices, their log formats, and their supported methods of exporting events.
This includes support for common logging methods such as syslog , SNMP traps, API integrations, agent- based collection, and vendor-specific event formats. Even a SIEM with excellent features will not deliver value if it cannot properly receive and interpret logs from firewalls, routers, switches, servers, and security appliances already in use.
The other choices matter, but they come after compatibility. Ease of management is helpful for daily operations. Cost is always a practical concern. Features can improve visibility and automation. However, none of those benefits matter much if the SIEM cannot integrate with the organization's actual environment.
For Network+ exam purposes, when log ingestion across many device types is the requirement, the top selection criterion is compatibility . Without that foundation, correlation, alerting, and security analysis will be incomplete.
NEW QUESTION # 186
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