Questions and Answers
What is the IPv6 equivalent of 127.0.0.1? (Choose two.)
Which of the following is a Class B address?
How can you tell that the DHCP server failure is the cause of the connectivity problems experienced by the three users?
Which of the following address types are associated with IPv6? (Choose three.)
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Which of the following IP addresses is not from a private address range?
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Of the following address ranges, which one would you not consider for an internal network using private address ranges?
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When you receive the IP address 203.15.226.12/24 from your ISP, what subnet mask should you use?
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What is the most likely reason that user Spencer cannot communicate with user Evan?
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Which of the following best describes the function of the default gateway?
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What is the term used for the number of hops necessary to reach a node?
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Which of the following is used to automatically assign routers to hosts?
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Which of the following enables administrators to monitor the traffic outbound and inbound to the switch?
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Study Notes
IPv6 Loopback Address
- IPv6 equivalent of the loopback address 127.0.0.1 is 0:0:0:0:0:0:0:1 (or simply ::1).
- Loopback addresses in IPv6 are reserved similar to IPv4.
Class B IP Address
- Class B addresses range from 128 to 191.
- 129.16.12.200 is classified as a Class B address; others are Class A or C.
DHCP Server Failure
- Systems with an IP address from the 169.254.x.x range indicate a failed DHCP server configuration (APIPA).
- An address of 0.0.0.0 typically means the system lacks APIPA support, not a normal DHCP failure.
IPv6 Address Types
- IPv6 employs three main address types: unicast, multicast, and anycast.
- IPv6 does not use broadcast addressing, unlike IPv4.
Private IP Address Ranges
- Recognized private IP ranges include:
- 10.x.x.x
- 172.16.x.x to 172.31.x.x
- 192.168.x.x
- 127.0.0.1 is for loopback and not a private range.
Recognized Private Address Ranges
- 131.16.0.0 to 131.16.255.255 is not a private IP address range.
- Private address ranges include those within 10.x.x.x, 172.x.x.x (specified subnet), and 192.168.x.x.
Subnet Mask Configuration
- For an assigned public IP of 203.15.226.12 with /24 notation, the subnet mask is 255.255.255.0.
- /24 indicates that the first three octets are used for the subnet mask.
Subnet Value Issues
- Spencer’s subnet mask of 255.255.248.0 is incorrect compared to Evan’s 255.255.255.0.
- Both users should share the same subnet mask for proper communication.
Default Gateway Function
- The default gateway provides routing paths for local networks to reach external destinations.
- It enables inter-subnet communications; incorrect interpretations describe its role inaccurately.
Hop Count Definition
- Hop count refers to the number of intermediary devices (hops) a data packet passes through to reach a destination node.
Router Assignment Protocol
- The Virtual Router Redundancy Protocol (VRRP) automatically assigns routers to hosts for improved routing reliability.
Traffic Monitoring on Switches
- Port mirroring allows visibility into the flow of inbound and outbound traffic on a switch.
- This is crucial for monitoring network performance and troubleshooting.
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Description
Test your knowledge on IPv6 concepts, including loopback addresses, Class B IP addresses, DHCP server issues, and private IP ranges. This quiz covers fundamental aspects of networking and IP address classification. Challenge yourself and enhance your understanding of network protocols and addressing schemes.
