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You are the on-call technician responding to multiple network issues in a small office. For each symptom below, select the most likely cause and appropriate corrective action from the provided banks. Submit all responses together for evaluation.

SYMPTOM 1

Workstation A shows an IP address of 169.254.23.45 and cannot reach the internet.

C:\>ipconfig /all Windows IP Configuration Ethernet adapter Local Area Connection: Connection-specific DNS Suffix . : Description . . . . . . . . . . . : Intel(R) PRO/1000 MT Network Connection Physical Address. . . . . . . . . : 00-0C-29-3F-4A-2B DHCP Enabled. . . . . . . . . . . : Yes Autoconfiguration Enabled . . . . : Yes Autoconfiguration IPv4 Address. . : 169.254.23.45(Preferred) Subnet Mask . . . . . . . . . . . : 255.255.0.0 Default Gateway . . . . . . . . . : DHCP Server . . . . . . . . . . . :

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SYMPTOM 2

Printer B prints pages with vertical streaks and faded text.

Printer Status Panel: Status: Ready Toner Level: Low (15% remaining) Paper Tray: OK Network: Connected Print Sample Output: [Image shows printed page with dark vertical streaks running down the length of the page and noticeably faded text throughout]

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SYMPTOM 3

Users on VLAN 20 cannot communicate with servers on VLAN 10 even though both VLANs show active links.

Switch# show interfaces trunk Port Mode Encapsulation Status Native vlan Gi0/1 on 802.1q trunking 1 Gi0/2 on 802.1q err-disabled 1 Switch# show vlan brief VLAN Name Status Ports ---- -------------------------------- --------- ------------------------------- 1 default active Gi0/3, Gi0/4 10 ServerVLAN active Gi0/5, Gi0/6 20 UserVLAN active Gi0/7, Gi0/8 1002 fddi-default act/unsup 1003 token-ring-default act/unsup

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SYMPTOM 4

File transfers between two servers are slow and show errors about CRC and collisions.

Server1# ethtool eth0 Settings for eth0: Supported ports: [ TP ] Supported link modes: 10baseT/Half 10baseT/Full 100baseT/Half 100baseT/Full 1000baseT/Full Speed: 1000Mb/s Duplex: Half Port: Twisted Pair Auto-negotiation: off Switch Port Statistics: Interface Gi0/12: Input packets: 45234567, bytes: 2847293847 Input errors: 1247, CRC: 892, collisions: 3421 Output packets: 43928472, bytes: 2739482947 Output errors: 234, collisions: 3421

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SYMPTOM 5

Wireless clients near Conference Room C experience frequent disconnects during midday.

Wi-Fi Analyzer Output - Conference Room C Area: Channel 1: AP-Office-Main (-45 dBm) ████████████████████ Channel 6: AP-Conference-C (-42 dBm) ██████████████████████ Channel 6: MicrowaveOven_2.4 (-38 dBm) ████████████████████████ Channel 11: AP-Neighbor (-65 dBm) ████████ Time Analysis: 11:30 AM - 1:30 PM: High interference detected on Channel 6 Peak interference: 12:00 PM - 12:30 PM (lunch period) Source: Kitchen microwave oven operation

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CompTIA A+ Core 1 - Network Troubleshooting Performance-Based Question