SUSE Network Configuration Skills Assessment

1. Which configuration file in SUSE defines network interface parameters like IP, netmask, and gateway?

/etc/sysconfig/network

/etc/network/interfaces

/etc/sysconfig/network-scripts/ifcfg-*

/etc/NetworkManager/conf.d/

2. Which SUSE command permanently adds a static route to the routing table?

Ip route add 10.0.0.0/8 via 192.168.1.254

Add route in /etc/sysconfig/network/routes

Route add -p 10.0.0.0 netmask 255.0.0.0 192.168.1.254

Both a and b

3. What is the purpose of running 'systemctl status networking' on SUSE?

Check if network service is running

View current IP configuration

Test DNS resolution

Configure firewall rules

4. In SUSE, how do you configure IPv6 address on an interface?

Ip -6 addr add fe80::1/64 dev eth0

Set IPV6ADDR in ifcfg-eth0

Use YaST Network Module

All of the above

5. Which SUSE file specifies the hostname of the system?

/etc/hostname

/etc/sysconfig/network

/etc/hosts

/etc/HOSTNAME

6. What command reloads network configuration changes in SUSE without rebooting?

Systemctl restart network

Systemctl restart networking

Ifdown eth0 && ifup eth0

Both a and c

7. In SUSE, which service manages firewall rules and network filtering?

Firewalld

Iptables

Ufw

Both a and b

8. How do you test DNS resolution on SUSE without making actual connections?

Nslookup example.com

Dig example.com

Host example.com

All of the above

9. Which tool in SUSE provides a graphical interface for network configuration?

NetworkManager

YaST Network Module

Ifconfig GUI

Systemd-networkd

10. What does the BOOTPROTO parameter control in a SUSE network interface configuration?

The boot sequence priority

Whether to use DHCP or static IP

The network protocol version

Interface startup behavior

11. Which file in /etc/sysconfig/network-scripts/ is used to configure a network interface on SUSE?

Ifcfg-eth0

Interfaces

Network.conf

Netplan.yaml

12. In SUSE, how do you add a default gateway to the routing table?

Ip route add default via 192.168.1.1

Route add default gw 192.168.1.1

Gateway 192.168.1.1 in ifcfg-eth0

Both a and b are correct

13. What is the purpose of the /etc/hosts file in network configuration?

Store DHCP server settings

Map hostnames to IP addresses locally

Configure firewall rules

Define DNS nameservers

14. Which command displays all active network connections and listening ports on SUSE?

Netstat -tuln

Ss -tuln

Iptables -L

Firewall-cmd --list-all

15. How do you enable a network interface at boot time on SUSE?

Set ONBOOT=yes in ifcfg-eth0

Set AUTOSTART=yes in network config

Run ifup eth0 permanently

Add interface to /etc/hosts

16. In SUSE, which service manages dynamic IP address assignment?

Dhcpd

Dhclient

Named

Bind

17. What is the correct syntax to set a static IP address using the ip command on SUSE?

Ip addr add 192.168.1.10/24 dev eth0

Ip set address 192.168.1.10 eth0

Ip config eth0 192.168.1.10

Ip route add 192.168.1.10 eth0

18. Which tool is used to manage network configuration in SUSE using a text-based interface?

Nmtui

Yast

Wpa_cli

Ifup

19. In SUSE, which file stores DNS resolver configuration?