Which bash option will prevent you from overwriting a file with a “>”?
A. set -o safe
B. set -o noglob
C. set -o noclobber
D. set -o append
E. set -o nooverwrite
QUESTION 502 CORRECT TEXT
Given the following line from /etc/nsswitch.conf:
hosts: files mdns4_minimal [NOTFOUND=return] dns mdns4 By default, which file will be queried first for hostname lookups? (Provide the full path and filename)
QUESTION 503 CORRECT TEXT
The _________ command is used to assign an IP address to a device. (Please specify the command with or without path information)
Which of the following is the command used to deactivate a network interface?
What output will the following command produce?
seq 1 5 20
A. 1 6 11 16
B. 1 5 10 15
C. 1 234
D. 2 345
E. 5 10 15 20
Which statement is true regarding the following /etc/resolv.conf file?
A. There is a syntax error.
B. If DNS queries to the localhost fail, the server 18.104.22.168 will be queried.
C. Example.com will be appended to all host lookups.
D. The DNS servers at 127.0.0.1 and 22.214.171.124 will be queried in a round robin fashion.
E. The DNS server with the shortest ping time will be queried first. If the lookup fails, the second server will be queried.
What is the purpose of the dig command?
A. To adjust a directory’s hidden permissions
B. To search for files on the filesystem
C. To adjust a file’s hidden permissions
D. To perform hostname lookups
E. To ping all known hosts on the current subnet
QUESTION 508 CORRECT TEXT
The _____________ command is used to print the network connections, routing tables, and interface statistics.
Which of the following commands can be used to activate a specific network interface?
QUESTION 510 CORRECT TEXT
A. administrator wants to determine the geometry of a particular window in X, so she issues the __________ -metric command and then clicks on the window.
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