Chapter 10

Which UNIX ARP option is used to display current ARP entries in a UNIX host's ARP table? A) -a B) -d C) -s D) -n

A) -a

What does the -c option do in the ping command? A) Specifies the number of pings to send B) Sets the Do Not Fragment bit in a packet header C) Specifies the name or the IP address of the device you are sending ICMP echo message D) Specifies the control header address

A) Specifies the number of pings to send

Which Windows command would correctly remove all the existing ARP entries? A) arp -d* B) arp -r* C) arp -s* D) arp -a*

A) arp -d*

Which *nix CLI utility can be used to display network information about a device including the MAC address, MTU, and IPv4 and IPv6 addresses? A) ifconfig B) ipconfig C) route D) netstat

A) ifconfig

The ________ command is one of the most commonly used command-line commands. It can be used to check IP connectivity between two network devices. A) ping B) ipconfig C) netstat D) nbtstat

A) ping

When used in its interactive mode, which nslookup command will disable recursive lookups? A) set norecurse B) set no resurse C) no recurse enable D) recurse disable

A) set norecurse

How many ICMP messages are sent by default when using the ping command on a Windows machine? A) 5 B) 4 C) 1 D) 10

B) 4

The ________ command can be used to see what a Layer 2 MAC address corresponds to a known Layer 3 IP address. A) mac B) arp C) netstat D) pathping

B) arp

Which Windows command is used to release and renew a DHCP IP address? A) ifconfig B) ipconfig C) route D) dhcp-common

B) ipconfig

The ________ command can be used to display information about current sessions, including source and destination IP addresses and port numbers. A) networkstat B) netstat C) ntstat D) ipstatus

B) netstat

Which switch can be used with the route command to clear any gateway entries? A) -d B) -c C) -f D) -n

C) -f

The ________ command can similarly be used to resolve FQDNs to IP addresses. A) lookup B) dglookup C) dig D) dng

C) dig

Which Windows command and switch would be used to purge the PC's NetBIOS cache and reload entries from the local LMHOSTS file? A) nbtstat -d B) netstat -R C) nbtstat -R D) netstat -d

C) nbtstat -R

The ________ command can be used to resolve an FQDN to an IP address. A) iplookup B) fqdnlookup C) nslookup D) ipstat

C) nslookup

The ________ command pings every router hop from the source to the destination and reports the round-trip time for each router hop. A) route B) router C) tracert D) routertrace

C) tracert

Which switch can be added to the netstat command to include the program that opened a specific displayed session? A) -p B) -r C) -a D) -b

D) -b

A route can be added by using the route ________ command. A) plus B) + C) addition D) add

D) add

The ________ command displays NetBIOS information in IP-based networks. A) tracert B) nbios C) nbstat D) nbtstat

D) nbtstat

What is the name of the Windows CLI utility that combines some of the attributes of both the ping and tracert commands over a period of time? A) traceping B) slowping C) histrace D) pathping

D) pathping

The ________ command can display a PC's current IP routing table. A) iproute B) router C) netroute D) route

D) route