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Practice questions for this set
Which of the following are valid statements in the /etc/resolv.conf file? (Choose two.)
Group of answer choices
nameserver 10.1.1.4
10.1.15.60 server10
domain comptia.org
order hosts, bind
Which of the following commands will display detailed information for network hardware?
Group of answer choices
ethtool
lshw --net
lsnet
hwdisp --network
Which of the following is a valid APIPA address?
Group of answer choices
10.11.12.13
127.0.0.1
169.254.38.101
192.168.1.17
You currently have a Linux system configured vĩ đại kiểm tra the /etc/hosts tệp tin before trying vĩ đại liên hệ a DNS server vĩ đại resolve host names. You want vĩ đại reverse the configuration so sánh that it checks with a DNS server before falling back vĩ đại the /etc/hosts tệp tin. Which of the following files should you modify vĩ đại make this possible?
Group of answer choices
/etc/nsswitch.conf
/etc/hosts
/etc/resolv.conf
/etc/named.conf
You currently have a Linux system configured vĩ đại kiểm tra the /etc/hosts tệp tin before trying vĩ đại liên hệ a DNS server vĩ đại resolve host names. You want vĩ đại reverse the configuration so sánh that it checks with a DNS server before falling back vĩ đại the /etc/hosts tệp tin. Which of the following files should you modify vĩ đại make this possible?
Group of answer choices
/etc/nsswitch.conf
/etc/hosts
/etc/resolv.conf
/etc/named.conf
Which of the following ports would be used vĩ đại resolve a tên miền name vĩ đại an IP address?
Group of answer choices
23
69
53
443
What is the most commonly used LAN protocol?
Group of answer choices
UDP/IP
IPX/SPX
TCP/IP
DLC
Which of the following commands can be used vĩ đại trace an IPv6 route? (Choose two.)
Group of answer choices
tracert6
tracepath6
trace6
traceroute6
Which of the following can be used vĩ đại graphically remotely administer a Linux machine?
Group of answer choices
FTP
VNC
RDP
Telnet
Which of the following will display entries from the Name Service Switch libraries?
Group of answer choices
dispdet
nss
nsslist
getent
Which of the following is a valid APIPA address?
Group of answer choices
10.11.12.13
127.0.0.1
169.254.38.101
192.168.1.17
Which of the following files does the hostnamectl command modify vĩ đại mix the hostname on a machine?
Group of answer choices
/etc/host.conf
/etc/hostname
/etc/hostname.conf
/etc/hosts.conf
You run rẩy the command hostname server1 and issue the reboot command. You notice that the host name has reverted back vĩ đại what it was before the reboot. Which of the following commands should you have used vĩ đại change the host name instead?
Group of answer choices
set hostname="server1"
hostnamectl set-hostname server1
host server1
ifconfig server1
hostnamectl set-hostname server1
On a system running NetworkManager, which of the following commands can be used vĩ đại view or modify connection information?
Group of answer choices
nmcli
netctonf
nm
netman
Which of the following commands will send 4 ICMP echo requests vĩ đại a remote host named server1 vĩ đại determine the round trip time it takes a packet vĩ đại travel?
Group of answer choices
ping -n 4 server1
ping -4 server1
ping -c 4 server1
ping server1
Which of the following types of technologies will create a tunneled encrypted connection from a remote location into a corporate network vĩ đại be able vĩ đại access resources as if the user was physically connected vĩ đại the LAN?
Group of answer choices
ADSL
NTP
VLAN
VPN
The output of the ifconfig shows a HWaddr expressed in hexadecimal. How many bits is the hardware address shown made up of?
Group of answer choices
8
32
48
128
Which of the following commands will show active UDP connections on a Linux system? (Choose all that apply.)
Group of answer choices
netstat -t udp
netstat --udp
netstat -u
netstat udp
Which of the following commands can be used vĩ đại display socket information out vĩ đại the terminal screen?
Group of answer choices
ss
woolsocks
opensocks
sstat