Ensurepass

QUESTION 351

You discover a pending job for the at command.

Which of the following do you have to use to remove it?

A. atrm

B. atq -r

C. at -r

D. rmat

Answer: A


QUESTION
352 CORRECT TEXT

You’ve downloaded an image file of a boot floppy disk to your hard drive. What is the best utility to create a boot floppy from the disk image? (Specify a single command without options.)

Answer: /bin/dd


QUESTION
353

The following output shows an excerpt from a standard network configuration file: time 37/tcp timserver time 37/udp timeserver rlp 39/udp resource # resource location name 42/udp nameserver whois 43/tcp nickname # usually to sri-nic domain 53/tcp domain 53/udp mtp 57/tcp # deprecated bootps 67/udp # bootp server bootpc 68/udp # bootp client tftp 69/udp Which file could this be from?

A. /etc/hosts

B. /etc/inetd.conf

C. /etc/named.conf

D. /etc/services

E. /etc/syslog.conf

Answer: D


QUESTION
354 CORRECT TEXT

The ________ file contains the system default options for the PPP daemon.

Answer: /etc/ppp/options


QUESTION
355

What is the highest numbered TCP/IP port?

A. 2047

B. 32767

C. 65535

D. 131071

Answer: C


QUESTION
356

Which of the following is used to establish a PPP link to another computer?

A. pppconn

B. linkppp

C. pppd

D. pppconf

Answer: C


QUESTION
357

Which of the following protocols uses two different network ports?

A. NTP

B. FTP

C. Rsh

D. HTTP

E. Telnet

Answer: B


QUESTION
358 CORRECT TEXT

You can run the ________ command to see active network and UNIX domain socket connection.

Answer:

netstat

/bin/netstat


QUESTION
359

While checking your security, you discover that you can connect to one of the machines on the network via port 23. What should you do to the network service on this machine?

A. Deactivate it, you don’t need a SMTP server there.

B. Deactivate it, you should not use TELNET.

C. Leave active, SSH is safe.

D. Deactivate it, you don’t need a FTP server there.

Answer: B


QUESTION
360

Which of the following represents a class C netmask?

A. 255.0.0.0

B. 255.255.0.0

C. 255.255.255.0

D. 255.255.255.255

Answer: C

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