Several users report poor performance when accessing shared drives on a file server named Filed. While troubleshooting the issue, the network administrator swaps the Ethernet connections between File01 and another server named File02. Shortly thereafter, users report issues with File02, but Filed is no longer an issue. Which of the following is most likely impacting performance?
A. Port security
B. Speed/duplex mismatch
C. PoE power budget reduction
D. Keep-alive beacon failure
Show Answer
Correct Answer: B
Explanation: The issue follows the switch port after the Ethernet connections are swapped, indicating the problem is tied to the network port/configuration rather than the server itself. A speed/duplex mismatch commonly causes poor throughput and excessive retransmissions while connectivity remains functional. Port security would typically block or restrict access rather than cause degraded performance, PoE is irrelevant for typical file servers, and keep-alive beacon failure does not match these symptoms.
Question 225
Which of the following can be used when a server at a remote site is physically unreachable?
A. OOB management
B. Crash cart
C. Jump box
D. Console
Show Answer
Correct Answer: A
Explanation: Out-of-band (OOB) management provides a separate management path to access and control a remote server even when the primary network is unavailable or the server is otherwise physically unreachable. A crash cart requires on-site physical access, a jump box depends on network connectivity, and a console alone typically refers to local console access unless reached through OOB management.
Question 226
SIMULATION
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A network technician needs to resolve some issues with a customer's SOHO network. The customer reports that some of the PCs are not connecting to the network, while others appear to be working as intended.
INSTRUCTIONS
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Troubleshoot all the network components.
Review the cable test results first, then diagnose by clicking on the appropriate PC and server. Type help in each terminal to view a list of available commands.
Identify any components with a problem and recommend a solution to correct each problem.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Show Answer
Correct Answer: Insufficient information to determine the faulty components from the screenshots alone.
Explanation: This simulation requires viewing cable test results for every device and running terminal commands on the PCs/server (e.g. IP configuration, gateway, VLAN, DNS, ARP). The provided images do not include those diagnostics, so the specific faults and fixes cannot be identified reliably.
Question 227
SIMULATION
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A network administrator receives a ticket stating there is a connectivity issue between the server and the storage devices. The administrator needs to identify any issues and implement the appropriate solutions.
INSTRUCTIONS
-
Click on each access and core switch. Enter commands into the terminal to identify any problems and select the appropriate resolutions. Type help in each terminal to view a list of available commands.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.
Show Answer
Correct Answer: Access Switch 1: No problem found
Core Switch 1: No problem found
Access Switch 2: Disconnected interface → Check and replace cable/SFP
Explanation: From the provided static images alone, the actual simulation state cannot be verified because terminal command output is missing. The only visible topology suggests the storage-side link is the most likely affected path, but this is not certain without interface status/error output.
Question 228
A systems administrator installs multiple web servers and intends to use the First Hop Redundancy Protocol to control routing to the servers. Which of the following types of IP addresses should the administrator use to support this routing approach?
A. Virtual
B. Gateway
C. Static
D. Dynamic
Show Answer
Correct Answer: A
Explanation: First Hop Redundancy Protocols (such as HSRP, VRRP, and GLBP) provide a shared virtual IP address that hosts use as their default gateway. The active router answers for the virtual IP, allowing seamless failover if a router goes down. Therefore, the appropriate IP address type is a virtual IP address.
Question 230
A network administrator needs to disable all inbound and outbound telnet traffic in the network. Which of the following ports should the administrator disable?
A. 23
B. 53
C. 123
D. 443
Show Answer
Correct Answer: A
Explanation: Telnet uses TCP port 23 by default for inbound and outbound remote terminal sessions. Port 53 is DNS, port 123 is NTP, and port 443 is HTTPS.
Question 231
Which of the following should be included in an SLA?
A. Patches and bug fixes
B. Licensing
C. Inventory management
D. Stakeholders
Show Answer
Correct Answer: D
Explanation: An SLA typically defines the parties involved, their roles and responsibilities, service scope, performance metrics, escalation procedures, and remedies. Stakeholders are a standard component because the agreement identifies who is responsible for delivering and receiving the service. Patches and bug fixes may be covered in some software support SLAs but are not a universal required element of an SLA. Licensing and inventory management are generally handled in separate agreements or operational processes.
Sources:
https://www.cio.com/article/274740/outsourcing-sla-definitions-and-solutions.html
https://www.itil.org.uk/blog/service-level-agreement%E2%80%8B-sla
https://withwise.com/blogs/six-things-you-need-to-know-about-an-sla
Question 232
A network administrator needs to connect a multimode fiber cable from the MDF to the server room. The administrator connects the cable to Switch 2, but there is no link light. The administrator tests the fiber and finds it does not have any issues. Swapping the connection to Switch 1 in a working port is successful, but the swapped connection does not work on Switch 2. Which of the following should the administrator verify next?
A. Fiber length
B. Transceiver model
C. Connector type
D. Port speed
Show Answer
Correct Answer: B
Explanation: The fiber cable has been tested and works when connected to Switch 1, which rules out the cable, connector, and fiber length as the primary issue. Because the same fiber fails only on Switch 2, the next item to verify is that Switch 2 has the correct fiber transceiver (SFP/GBIC) for the installed multimode fiber and wavelength/speed. An incompatible or incorrect transceiver commonly results in no link light.
Question 233
A user in the finance department reports that they cannot access the internet. Other finance department users are not having issues.
A network administrator runs a route print command on the user's machine:
Which of the following is most likely the root cause of the issue?
A. The default route is missing.
B. The route metric value is incorrect.
C. The interface is pointing to the localhost.
D. The default gateway is configured with an incorrect subnet mask.
Show Answer
Correct Answer: A
Explanation: If only one user cannot reach the internet while others on the same subnet can, the issue is likely local to that host's routing configuration. A missing default route (0.0.0.0/0) prevents traffic destined for non-local networks from being forwarded to the default gateway, while local network communication can still work. The other options do not best match a typical route print showing loss of internet access for a single host.
Question 234
An administrator requests a certificate for the company's domain name. In order to prove ownership of the domain, the certificate authority asks the administrator to create a specific DNS record. Which of the following record types is required?
A. SOA
B. MX
C. NS
D. TXT
Show Answer
Correct Answer: D
Explanation: Certificate Authorities commonly use DNS-based domain validation by requiring the applicant to create a specific TXT record containing a validation token. This proves control of the domain. SOA, MX, and NS records serve other DNS purposes and are not the standard record type used for CA domain validation.
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