Which of the following is a common OSI Layer 1 (physical layer) troubleshooting issue? (Choose two.)

A) Bad cables or connectors
B) dB loss
C) Bad module
D) Port configuration
E) VLAN configuration

A, B
Explanation: Bad cable or connectors and dB loss are OSI Layer 1 (physical layer) troubleshooting issues; Bad module, port configuration, and VLAN configuration are OSI Layer 2 (data link layer) troubleshooting issues.
Bad cable or connectors and dB loss are OSI Layer 1 (physical layer) troubleshooting issues; Bad module, port configuration, and VLAN configuration are OSI Layer 2 (data link layer) troubleshooting issues.

Computer Science & Information Technology

You might also like to view...

In ___________ the statistical structure of the plaintext is dissipated into long-range statistics of the ciphertext. This is achieved by having each plaintext digit affect the value of many ciphertext digits.

Fill in the blank(s) with the appropriate word(s).

Computer Science & Information Technology

To demote a multilevel list topic to the next level, click the Decrease Indent button in the Paragraph group on the Home tab.

Answer the following statement true (T) or false (F)

Computer Science & Information Technology