Which of the following information is stored in /etc/shadow for each user? A. The timestamp of the user’s last login B. The user’s private SSH keys C. The hashed password of the user D. The numerical user ID (UID) E. The path to the user’s home directory

Which of the following statements is true if the UID of a regular user is identical to the GID of a group? A. UID have precedence over GIDs, therefore the user is available while the group doesn’t. B. The user as well as the group are not available to avoid ambiguity due to the ID […]

Which of the following commands configure network interfaces based on the system’s existing distribution-specific configuration files? (Choose two.) A. ifconf B. ifdown C. ifpause D. ifstart E. ifup

Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose three.) A. 10.0.0.0/8 B. 127.0.0.0/8 C. 169.255.0.0/16 D. 172.16.0.0/12 E. 192.168.0.0/16

How many IP addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/26? A. 6 B. 14 C. 30 D. 62 E. 126

Which of the following changes may occur as a consequence of using the command ip? (Choose three.) A. Network interfaces may become active or inactive. B. New name servers may be added to the resolver configuration. C. The system’s host name may change. D. IP addresses may change. E. The routing table may change.

Which of the following nmcli subcommands exist? (Choose two.) A. nmcli ethernet B. nmcli device C. nmcli wifi D. nmcli address E. nmcli connection

What is true about the Hop Limit field in the IPv6 header? A. The field is not changed during the transport of a package. B. The field is transmitted within a hop-by-hop extension header. C. Each router forwarding the packet increases the field’s value. D. Each router forwarding the packet decreases the field’s value. E. […]

On a Linux workstation, the route command takes a long time before printing out the routing table. Which of the following errors does that indicate? A. The local routing information may be corrupted and must be re-validated using a routing protocol. B. One of the routers in the routing table is not available which causes […]

Which of the following connection types, as seen in nmcli connection show, may exist in NetworkManager? (Choose three.) A. tcp B. ethernet C. wifi D. ipv6 E. bridge