Questions and Answers
What is the broadcast address for the IP address 122.16.155.71 with a mask of 255.0.0.0?
122.255.255.255
What is the default subnet mask for the address 132.44.156.67?
255.255.0.0
What is the network address for the address 199.78.240.240 if the default subnet mask is used?
199.78.240.0
Which of the following IP addresses have a default subnet mask of 255.255.0.0? (Select three.)
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Which of the following IP addresses are Class B addresses? (Select three.)
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Which of the following are not valid IP addresses? (Select three.)
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Which of the following IP addresses belong to the Class A network 114.0.0.0? (Select three.)
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Which protocol allows hosts to exchange messages to indicate problems with packet delivery?
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What TCP/IP protocol would you implement to guarantee delivery of video files?
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Which port number is used by SNMP?
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Which IP address is valid for a host on a public network?
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Your computer has an IP address of 161.13.5.15. What type of network is it on?
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What is the path and filename of the file that lists all network services in a Linux system?
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Which of the following are valid IPv6 addresses? (Select all that apply.)
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What is the first 64-bit component of an IPv6 address called?
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What is the last 64-bit component of an IPv6 address called?
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What is a valid IPv6 address?
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Study Notes
IP Addresses and Subnetting
- The broadcast address for the IP address 122.16.155.71 with a mask of 255.0.0.0 is 122.255.255.255.
- The default subnet mask for the address 132.44.156.67 is 255.255.0.0, indicating it is a Class B address.
- For the address 199.78.240.240, the network address using the default mask is 199.78.240.0, classifying it as a Class C address.
Classifications of IP Addresses
- Default subnet mask classifications:
- Class A: 255.0.0.0 (first octet: 0-126)
- Class B: 255.255.0.0 (first octet: 128-191)
- Class C: 255.255.255.0 (first octet: 192-223)
- Valid Class B addresses include 129.0.0.0, 190.65.2.0, and 132.12.0.0.
Validity of IP Addresses
- Valid IP addresses must have values between 0 and 255 for each octet.
- Examples of invalid IP addresses: 257.0.122.55, 45.22.156.256, and 145.8.260.7.
Class A Network Examples
- Class A network 114.0.0.0 includes addresses such as 114.58.12.0, 114.122.66.12, and 114.0.0.15.
Networking Protocols and Services
- ICMP (Internet Control Message Protocol) allows hosts to exchange messages regarding packet delivery issues.
- TCP (Transmission Control Protocol) is the transport protocol ensuring guaranteed delivery for applications exchanging video files.
- SNMP (Simple Network Management Protocol) operates on port number 161.
Public and Private Networks
- The address 142.15.6.1 is a valid public IP address.
- IP address ranges reserved for private networks include:
- 10.0.0.0 to 10.255.255.255
- 172.16.0.0 to 172.31.255.255
- 192.168.0.0 to 192.168.255.255
- An IP address of 161.13.5.15 indicates the computer is on a public network.
Linux Networking
- The path and filename for the file listing all network services in a Linux system is
/etc/services.
IPv6 Addressing
- Valid IPv6 addresses include 6384:1319:7700:7631:446A:5511:8940:2552 and 141:0:0:0:15:0:0:1.
- A valid IPv6 address format contains eight 16-bit hexadecimal sections, with the possibility of omitting leading zeros.
- The address FEC0::AB:9007 is valid; the "::" signifies missing consecutive blocks of zeros.
- IPv6 addresses consist of two 64-bit components: the first is called the prefix, and the last component is the interface ID.
Studying That Suits You
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Description
Test your knowledge of networking fundamentals with these flashcards covering key concepts such as IP addresses and subnet masks. Perfect for students preparing for the Testout exam, this quiz reinforces essential networking concepts and calculations.
