21. A Cyclical Redundancy Check (CRC) is an example of what type of built-in protocol mechanism?
- Error detection
- Error recovery
- Misconfiguration error
- Time To Live (TTL) expiration
22. What does ICMP stand for?
- Internet Control Mail Protocol
- Internet Control Message Protocol
- Internet Client Message Protocol
- Interactive Control Message Protocol
23. The Linux and macOS program traceroute is known by a slightly different name on Windows. It's referred to as ______.
- Ping
- ipconfig
- tracert
- Tracepath
24. You run the Test-NetConnection command on a Windows PC while only providing a host name. As a result, what default action does the command use?
- IMCP eEcho request
- Network address translation
- Name server lookup
- Private tunnel
25. You need to find the Internet Protocol (IP) address for a website. Which command do you use on a Windows system?
- Netcat
- Ping
- Pathping
- Nslookup
26. One of Google's public DNS servers is 8.8.8.8. The other one is ______.
- 1.2.1.1
- 255.255.255.255
- 8.8.4.4
- 0.0.0.0
27. What is the name of the provision of services based around hardware virtualization?
- Domain Name System (DNS) service model
- Cloud computing
- Network Address Translation (NAT)
- Subnetting
28. What is The IPv6 loopback address?
- 127.0.0.1
- 0000:0000:0000:0000:0000:0000:0000:0000
- 1000:0000:0000:0000:0000:0000:0000:0000
- 0000:0000:0000:0000:0000:0000:0000:0001
29. Compress the following IP address: 9930:cafa:0000:0052:04cc:7b7a:0037:27e6.
- 9930:cafa:0:52:4cc:7b7a:37:27e6
- No changes, the address is already compressed.
- 9930:cafa:0:052:4cc:7b7a:037:27e6
- 930:cafa:00:052:04cc:7b7a:037:27e6
30. Which Internet Protocol (IP) v6 field is identical in purpose to the TTL field in an IPv4 header?
- Traffic class
- Flow label
- Hop Limit
- Next header
Shuffle Q/A 1
31. The first field of an Internet Control Message Protocol (ICMP) packet specifies the message type. Which choices represent message type examples? (Choose all that apply)
- Destination unreachable
- Time exceeded
- Destination port unreachable
- Destination network unreachable
32. Which two tools function similar to traceroute? (Choose all that apply)
- Nslookup
- netcat
- Mtr
- pathping
