Ensurepass

QUESTION 451

What can you do to recover a lost passphrase for a DSA or RSA authentication key?

A. Run the ssh-keygen command.

B. Run the ssh -recover command.

C. A lost passphrase cannot be recovered.

D. Decrypt the authentication key with gpg.

E. Decrypt the authentication key with ssh -decrypt.

Answer: C


QUESTION
452 CORRECT TEXT

The local domain name has changed from test.example.org to lpic1.example.org. What directive in /etc/resolv.conf needs to be changed so that you don’t have to specify the fully qualified domain name when connecting to hosts?

Answer: search


QUESTION
453

What are the addresses falling into the range of 240.0.0.0 through 255.0.0.0?

A. Class C network

B. Class B network

C. This is an experimental address range.

D. This is a broadcast range.

Answer: C


QUESTION
454

Which of the following lines would you find in the file /etc/hosts?

A. order hosts,bind

B. 192.168.168.4 dns-server

C. hosts: files dns

D. domain mycompany.com

Answer: B


QUESTION
455 CORRECT TEXT

Which IP protocol is connectionless and unreliable?

Answer:

UDP

UDP/IP

udp

udp/ip


QUESTION
456 CORRECT TEXT

Which protocol uses two (2) TCP/IP ports one of them being port 20 for data transfer?

Answer:

ftp

FTP


QUESTION
457

Which of the following lines would you find in the file /etc/resolv.conf?

A. order hosts,bind

B. 192.168.168.4 dns-server

C. hosts: files,= dns

D. domain mycompany.com

Answer: D


QUESTION
458

When using PAP. with PPP, the /etc/ppp/pap-secrets file must be:

A. World-readable.

B. Readable only by the ppp user.

C. Readable only by root.

D. Readable and executable by user root and group ppp.

Answer: C


QUESTION
459 CORRECT TEXT

For xinetd service definitions, which config option will disable the service?

Answer: disable=yes


QUESTION
460

What argument to the -name flag of find will match files or directories beginning with a ‘.’ (period)?

A. .\*

Answer: A

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