IP Networking Skills

Question 1

Which technique allows a single IP address to be visible externally whilst forwarding traffic to multiple different IP addresses on the internal network

Answer 1

NAT

Question 2

Device A with an IP address of 192.168.1.10 tries to ping Device B with an IP address of 192.168.10.10. If the subnet mask is 255.255.255.0 and no router is present, Device A cannot reach Device B

Answer 2

False

Question 3

A private network with the addressing and configuration shown will need what to route traffic from one network to the other

Answer 3

Routing table entries.

Question 4

Which DNS record type allows multiple aliases to be assigned to the same IP address, providing an A record is in place

Answer 4

CNAME

Question 5

Which two of the following terms may be used to describe the middle ground between an organization’s trusted internal network and an untrusted, external network

Answer 5

DMZ and Proxy

Question 6

Which two DNS records are required to have a device find and automatically register to a service

Answer 6

SRV and CNAME

Question 7

What does split DNS do

Answer 7

Allow resolution for the same domain name from inside and outside the network

Question 8

Which DNS record type maps hostnames to IP addresses, for example creating a record linking cma.polycom.com to the IP address 192.168.1.254

Answer 8

SRV

Question 9

Which two of the following commands would allow you to determine the DNS server configured for a Windows client

Answer 9

dnsconfig and ipconfig /dns