HikeLetter | PMP Training & Certification Online Course | Project Management Learning

1

During a network troubleshooting ticket, consider: A workstation can reach its local gateway but cannot resolve domain names. Which service should be checked first?

A. DNS. B. Disable all network security controls without approval. C. Disable all network security controls without approval. D. Ignore the reported symptom unless all users are affected.

2

During a network troubleshooting ticket, consider: Which subnet mask corresponds to a /24 IPv4 network?

A. Ignore the reported symptom unless all users are affected. B. 255.255.255.0. C. Disable all network security controls without approval. D. Replace every network device before collecting diagnostic evidence.

3

During a network troubleshooting ticket, consider: A switch receives a frame for an unknown destination MAC address. What does it typically do?

A. Replace every network device before collecting diagnostic evidence. B. Ignore the reported symptom unless all users are affected. C. Flood the frame out eligible ports in the same VLAN, except the port on which it arrived. D. Disable all network security controls without approval.

4

During a network troubleshooting ticket, consider: Which technology allows multiple private IPv4 devices to share a public IPv4 address?

A. Disable all network security controls without approval. B. Replace every network device before collecting diagnostic evidence. C. Ignore the reported symptom unless all users are affected. D. Network Address Translation (NAT), commonly with port address translation.

5

During a network troubleshooting ticket, consider: Users report intermittent Wi-Fi disconnects in a crowded office. What should be investigated?

A. RF interference, channel utilization, signal strength, access-point capacity, and client roaming behavior. B. Disable all network security controls without approval. C. Replace every network device before collecting diagnostic evidence. D. Ignore the reported symptom unless all users are affected.

6

During a network troubleshooting ticket, consider: Which protocol automatically assigns IP addresses and related network settings to clients?

A. Ignore the reported symptom unless all users are affected. B. DHCP. C. Disable all network security controls without approval. D. Replace every network device before collecting diagnostic evidence.

7

During a network troubleshooting ticket, consider: A network administrator needs secure remote command-line access to a router. Which protocol is preferred?

A. Replace every network device before collecting diagnostic evidence. B. Ignore the reported symptom unless all users are affected. C. SSH. D. Disable all network security controls without approval.

8

During a network troubleshooting ticket, consider: A device has an IP address of 169.254.x.x. What is a likely explanation?

A. Replace every network device before collecting diagnostic evidence. B. Ignore the reported symptom unless all users are affected. C. It self-assigned an IPv4 link-local address after failing to obtain a DHCP lease. D. Disable all network security controls without approval.

9

During a network troubleshooting ticket, consider: Which OSI layer is responsible for routing packets between IP networks?

A. Disable all network security controls without approval. B. Replace every network device before collecting diagnostic evidence. C. Ignore the reported symptom unless all users are affected. D. Layer 3, the Network layer.

10

During a network troubleshooting ticket, consider: A switch port should carry traffic for multiple VLANs between switches. Which configuration is normally used?

A. A trunk port with the required VLANs allowed. B. Disable all network security controls without approval. C. Replace every network device before collecting diagnostic evidence. D. Ignore the reported symptom unless all users are affected.

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