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18 Cards in this Set
- Front
- Back
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Which of the following are the valid first four characters of a globally routable IPv6 address? (Choose all that apply.)a. 1234b. 2345c. 3456d. 4567
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B and C
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Which of the following are the valid first four characters of a link-local address?a. FE80b. FF02c. 2000d. 3000
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A
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What is the default method for determining the interface ID for a link-local address on Ethernet?a. EUI-64b. MAC address with FFFE at the endc. MAC address with FFFE at the beginningd. Depends on the network address being connected to
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A
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How many groups of four hexadecimal characters does an IPv6 address contain?a. 4b. 8c. 16d. 32
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B and C
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Which of the following routing protocols have both an IPv4 and IPv6 version? (Choose all that apply.)a. Routing Information Protocolb. Enhanced Interior Gateway Routing Protocolc. Open Shortest Path Firstd. Interior Gateway Routing Protocol
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A, B and C
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Which best practices apply to networks that run both IPv4 and IPv6? (Choose all that apply.)a. Physical securityb. Routing protocol authenticationc. Authorization of administratorsd. Written security policy
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A, B, C and D
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Which of protocols, if abused, could impair an IPv6 network, but not IPv4? (Choose all that apply.)a. ARPb. NDPc. Broadcast addressesd. Solicited node multicast addresses
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B and D
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If a rogue IPv6 router is allowed on the network, which information could be incorrectly delivered to the clients on that network? (Choose all that apply.)a. IPv6 default gatewayb. IPv6 DNS serverc. IPv6 network addressd. IPv6 ARP mappings
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A, B and C
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Why is tunneling any protocol (including IPv6) through another protocol a security risk? (Choose all that Apply.)a. The innermost contents of the original packets may be hidden from normal security filters.b. The tunnels, if they extend beyond the network perimeter, may allow undesired traffic through the tunnel.c. Functionality might need to be sacrificed when going through a tunnel.d. Quality of service, for the underlying protocol, might be compromised.
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A and B
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What is one method to protect against a rogue IPv6 router?a. Port securityb. Static ARP entriesc. DHCPv6d. RA guard
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D
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Does IPv6 support NAT?
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No
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IPv6 address is split in two. What are the parts?
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Network and Host ID
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How can you shorten IPv6 addresses?
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Drop leading 0's, consecutive 0's shortened to ::
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What does the system automatically configure when setting IPv6 on an interface?
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A link local address starting with FE80
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How do you reach remote networks with IPv6
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Need to have a default route to that neworkm or default gateway.
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What is a link local address?
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may be manually configured, but if not are dynamically configured by host/router. Always begin with FE80. Last 64 bits are the host ID.
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What is the loopback IPv6
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::1. (127 0's followed by a 1)
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What is the all-nodes multicast address?
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Mulicasts begin with FFxx:. Usually FF02::1
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