Which of the following statements are true regarding a typical shell script? (Choose two.)

1. A. It has the executable permission bit set.
2. B. It starts with the two character sequence #!.
3. C. It is located in /usr/local/scripts/.
4. D. It is located in /etc/bash/scripts/.
5. E. It is compiled into a binary file compatible with the current machine architecture.

Correct Answer: AE

Which of the following commands can be used to resolve a DNS name to an IP address?

1. A. dnsname
2. B. dns
3. C. query
4. D. host
5. E. Iplookup

Correct Answer: D

What can be found in the /proc/ directory?

1. A. One directory per installed program.
2. B. One device file per hardware device.
3. C. One file per existing user account.
4. D. One directory per running process.
5. E. One log file per running service.

Correct Answer: D

Which of the following statements regarding Linux hardware drivers is correct?

1. A. Drivers are regular Linux programs which have to be run by the user who wants to use a device.
2. B. Drivers are not used by Linux because the BIOS handles all access to hardware on behalf of Linux.
3. C. Drivers are stored on their devices and are copied by the Linux kernel when a new device is attached
4. D. Drivers are downloaded from the vendor's driver repository when a new device is attached.
5. E. Drivers are either compiled into the Linux kernel or are loaded as kernel modules.

Correct Answer: E

Which of the following commands creates the ZIP archive poems.zip containing all files in the current directory whose names end in .txt?

1. A. zip *.txt > poems.zip
2. B. zcat *.txt poems.zip
3. C. zip poems.zip *.txt
4. D. zip cfz poems.zip *.txt
5. E. cat *.txt | zip poems.zip

Correct Answer: C