Which of the following command sequences can be used to extract files contained in a initramfs file (/boot/initramfs) which is used by the kernel at boot time?

1. A. cp /boot/initramfs /tmp/initramfs.gz; gzip -c /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
2. B. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -i < /tmp/initramfs
3. C. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ -o loop -t initramfs
4. D. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mkdir /tmp/initramfs.dir ; cd/tmp/initramfs.dir ; cpio -e /tmp/initramfs
5. E. cp /boot/initramfs /tmp/initramfs.gz; gunzip /tmp/initramfs.gz; mount /tmp/initramfs /mnt/ -o loop -t initrd

Correct Answer: B

Which of the following commands will list the IPv4 neighbors of the current system? This includes IP and MAC addresses. (Choose TWO correct answers.)

1. A. arp
2. B. ifconfig -lv eth0
3. C. netstat -al
4. D. ip neigh show

Correct Answer: AD

Which of the following is a CD-ROM filesystem standard?

1. A. OSI9660
2. B. ISO9660
3. C. SR0FS
4. D. ISO8859
5. E. ROM-EO

Correct Answer: B

Which of the following filter keywords for tcpdump specify the transfer direction for network packets? (Choose TWO correct answers.)

1. A. source
2. B. src
3. C. dest
4. D. src or dst
5. E. both

Correct Answer: BD

Which of the following files are used to resolve hostnames to IP addresses? (Choose TWO correct answers.)

1. A. /etc/systems
2. B. /etc/hosts
3. C. /etc/network
4. D. /etc/dns.conf
5. E. /etc/resolv.conf

Correct Answer: BE