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Question 148 - 300-410 discussion

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An engineer configured a DHCP server for Cisco IP phones to download its configuration from a TFTP server, but the IP phones failed to toad the configuration What must be configured to resolve the issue?

A.

BOOTP port 67

Answers
A.

BOOTP port 67

B.

DHCP option 66

Answers
B.

DHCP option 66

C.

BOOTP port 68

Answers
C.

BOOTP port 68

D.

DHCP option 69

Answers
D.

DHCP option 69

Suggested answer: B

Explanation:

DHCP options 3, 66, and 150 are used to configure Cisco IP Phones. Cisco IP Phones download their configuration from a TFTP server. When a Cisco IP Phone starts, ifit does not have both the IP address and TFTP server IP address preconfigured, it sends a request with option 150 or 66 to the DHCP server to obtain this information.+ DHCP option 150 provides the IP addresses of a list of TFTP servers.+ DHCP option 66 gives the IP address or the hostname of a single TFTP server.

Reference: http://www.cisco.com/c/en/us/td/docs/security/asa/asa84/configuration/guide/asa_84_cli_config/ basic_dhcp.pdf

asked 07/10/2024
Mehdi BELGAS
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