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Indicate whether the statement is true or false.
1. Automatic Private IP Addressing (APIPA) is a range of addresses from 169.254.0.0 to 169.254.255.255 that a
Windows or Mac OS X computer assigns to its primary network interface when a DHCP server is unavailable.
a.
True
b.
False
2. Baseline refers to the amount of time it takes a packet to get from one point on the network to another.
a.
True
b.
False
3. The command “ipconfig /renew” can be used to renew the IPv6 address for the specified adapter.
a.
True
b.
False
4. Using the ifconfig command in Windows will produce results for network configuration information being
used by the computer.
a.
True
b.
False
5. SSDP is a protocol used for advertisement and discovery of network services.
a.
True
b.
False
Indicate the answer choice that best completes the statement or answers the question.
6. Which of the following terms best describe a range of addresses from 169.254.0.0 to 169.254.255.255 that a
Windows or Mac OS X computer assigns to its primary network interface when a DCHP server is unavailable?
a.
Private IP Address
b.
Automatic Private IP Addressing
c.
Reserved Automatic Network Addressing
d.
Automatic Multicast IP Addressing
7. How many TCP retransmissions will Windows attempt by default before dropping all attempts?
a.
2
b.
7
c.
5
d.
10
8. To determine the default gateway for a Linux computer, open a terminal and type in which of the following
commands?
a.
cat gateway
b.
route -n
c.
ping gateway
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d.
nslookup help
9. Which of the following protocols is used for advertisement and discovery of network services?
a.
SSDP
b.
HTTP
c.
SMTP
d.
TCP
10. What are the two ICMPv6 message types sent between the source and destination when the ping command
is used?
a.
Client Echo, Client Reply
b.
Hello Request, Hello Reply
c.
Client Hello, Server Ack
d.
Echo Request, Echo Reply
11. Where do you look in a packet captured by Wireshark if you want to determine the RTO?
a.
Stream index
b.
Options
c.
Flags
d.
TCP Analysis Flags
12. Which of the following terms best describes the maximum acceptable length of time a system can be non-
responsive before it is restored?
a.
round-trip time
b.
lifetime value
c.
renewal time
d.
time to live
13. What utility should you use in NetScan Tools if you wanted to determine information about the host
computer?
a.
Ping
b.
Whois
c.
Who Am I
d.
Traceroute
14. What command can be issued in order to view the IP address information on a Windows computer?
a.
cat /etc/resolv.conf
b.
route -n
c.
ipconfig /all
d.
nslookup help
15. If a host is having little or no network connectivity and you suspect that the NIC is the problem, which
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troubleshooting step should you take first?
a.
check the Ethernet cable
b.
ping the default gateway
c.
enter the ipconfig command
d.
ping the loopback address
16. Which of the following Windows DHCP log file event IDs indicates that a lease was denied?
a.
01
b.
02
c.
15
d.
20
17. What command can be used on a Linux computer to view network configuration information being used by
the computer?
a.
netstat
b.
ifconfig
c.
ping
d.
ipconfig
18. Which of the following Windows DHCP log file event IDs indicates that a new IP address was leased to a
client?
a.
01
b.
02
c.
10
d.
14
19. Which troubleshooting tool is developed by Solar Winds and is a large suite of network management tools
for monitoring, discovery, and diagnostics?
a.
NetScanTools
b.
Zenmap
c.
Engineer’s Toolset
d.
Omnipeek
20. Which of the following commands can be used to discover the IP address of the DNS server providing name
services for a Linux computer?
a.
cat /etc/resolv.conf
b.
route -n
c.
ping dns
d.
nslookup /etc/resolv.conf
21. Which of the following is an upgraded version of the SSL protocol and is a cryptographic protocol providing
secure communications over computer networks?
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a.
TCP
b.
SSDP
c.
TLS
d.
HTTP
22. What term is used to describe a globally distributed network of proxy servers deployed in multiple data
centers?
a.
domain network
b.
content delivery network
c.
global proxy network
d.
demilitarized zone
23. Which of the following Windows DHCP log file event IDs indicates that a lease request could not be
satisfied because the scope’s address pool was exhausted?
a.
01
b.
02
c.
10
d.
14
24. To find out what’s going on with a packet, you can use the Expert Information feature in Wireshark, which
contains four different classes of information. Which of the following classes indicates “A very serious
problem”?
a.
Error
b.
Warn
c.
Note
d.
Chat
25. Round-trip time is more formally known as which of the following?
a.
time to live
b.
congestion identifier
c.
best effort delivery
d.
recovery time objective
26. Where do you look in a packet captured by Wireshark to find the encrypted version of the username and
password when the TLS protocol is in use?
a.
Secure Sockets Layer
b.
TTL
c.
Transmission Control Protocol
d.
TCP Analysis Flags
Enter the appropriate word(s) to complete the statement.
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27. A quick and easy way to identify the DNS server domain and IP address in Windows, Mac, and Linux is to
type __________ at the command prompt.
28. If users of a host state that they have no network connectivity at all or limited connectivity and you use the
ping command and are unable to reach the default gateway or any host on the computer’s local network
segment, check the __________.
29. One good way to troubleshoot DHCP and DHCPv6 is to use a protocol analyzer, such as __________.
30. Using the __________ command for Windows will produce results for network configuration information
being used by the computer.
31. __________ latency indicates a slow network with significant delays.
Match each item with a statement below.
a.
Simple Service Discovery Protocol (SSDP)
b.
content delivery network (CDN)
c.
recovery time objective (RTO)
d.
cat
e.
network latency
f.
OmniPeek
g.
Zenmap
h.
TCP retransmissions
i.
ipconfig
32. a protocol used for advertisement and discovery of network services
33. a globally distributed network of proxy servers
34. the maximum acceptable length of time that a system can be non-responsive
35. short for concatenate
36. the amount of time it takes a packet to get from one point on the network to another
37. a network analysis tool
38. identifies live hosts and their common ports, services, and applications
39. result in network latency
40. shows the address assigned to a Windows device
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41. How can you identify the DNS server domain and IP address for a Windows, Mac, or Linux computer?
42. What is network latency and what should you look for in a Wireshark capture to determine latency?
43. How can you troubleshoot the Physical layer?
44. What are the IPv4 and IPv6 loopback addresses on Windows, Mac, and Linux computers?
45. How can you discover the IP address of the DNS server providing name services on a Linux computer?
46. What is a CDN and what is its goal?
47. How can you force your Windows 10 computer to request a new IP address if a DHCP server has been
brought back into service?
48. What is the connection-specific DNS suffix?
49. How can you determine the default gateway on a Linux computer?
50. List the commands needed to release and renew an IPv4 and IPv6 address on a Windows computer.
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