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多选题
Which three are characteristics of IPv6?（）
A
An IPv6 address is 128 bits long.
B
An IPv6 header contains the header checksum field.
C
An IPv6 header is 20 bits long.
D
An IPv6 header contains the next header field.
E
IPv6 route rs send RA messages.
F
An IPv6 header contains the protocol field.
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更多 “多选题Which three are characteristics of IPv6?（）AAn IPv6 address is 128 bits long.BAn IPv6 header contains the header checksum field.CAn IPv6 header is 20 bits long.DAn IPv6 header contains the next header field.EIPv6 route rs send RA messages.FAn IPv6 header contains the protocol field.” 相关考题
考题
The length of the IPv6 address is (72)A.64 bytesB.128 bytesC.64bitsSX
The length of the IPv6 address is （72）A.64 bytesB.128 bytesC.64bitsD.128bits
考题
Which two are valid fields in an IPv6 header?()
A. Hop LimitB. Next HeaderC. Fragment OffsetD. Header Checksum
考题
An IPv6 host is configured to request a specific path through the network to reach a destination.Which IPv6 extension header should be used?()
A. RoutingB. Hop-by-HopC. FragmentationD. Destination Options
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What are three benefits of using IPv6?()
A. IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.B. IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.C. IPv6 eliminates the need for private to public NAT using a large address pool.D. IPv6 provides backward compatibility with IPv4 using the Next Header field.E. IPv6 represents large IP addresses using dotted decimal notation.
考题
Which statement is correct regarding IPv6 addresses?()
A. An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B. An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C. An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D. An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
考题
Why is IPv6 packet processing more effective than IPv4 packet processing?()
A. fixed header sizeB. smaller header sizeC. fewer header fieldsD. variable header size
考题
Which statement is true concerning 6to4 tunneling?()
A. The edge routers can use any locally configured IPv6 address.B. Hosts and routers inside a 6to4 site will need a special code.C. An edge router must use IPv6 address of 2002::/16 in its prefix.D. IPv4 traffic is encapsulated with an IPv6 header.
考题
Which three are characteristics of IPv6?()
A. An IPv6 address is 128 bits long.B. An IPv6 header contains the header checksum field.C. An IPv6 header is 20 bits long.D. An IPv6 header contains the next header field.E. IPv6 route rs send RA messages.F. An IPv6 header contains the protocol field.
考题
Which two of these statements are true of IPv6 address representation?()
A. There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.B. A single interface may be assigned multiple IPv6 addresses of any type.C. Every IPv6 interface contains at least one loopback address.D. The first 64 bits represent the dynamically created interface ID.E. Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.
考题
Which statement about VPNv6 addresses is true？（）A、The VPNv6 address is a 96-bit route distinguisher and a 128-brt IPv6 addressB、The VPNv6 address is a 64-bit route distinguisher and a 128-bit IPv6 addressC、The VPNv6 address is a 64-brt route distinguisher and a 96-brt IPv6 addressD、The VPMv6 address is a 96-brt route distinguisher and a 96-bit IPv6 addressE、The VPNv6 address is a 128-bit route distinguisher and a 128-brt IPv6 address
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Which statement is correct in reference to IPv6 multicast？（）A、IPv6 multicast uses Multicast Listener Discovery.B、The first 8 bits of an IPv6 multicast address are always FF （1111 1111）.C、IPv6 multicast requires MSDP.D、PIM dense mode is not part of IPv6 multicast.
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What are three benefits of using IPv6?（）A、IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.B、IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.C、IPv6 eliminates the need for private to public NAT using a large address pool.D、IPv6 provides backward compatibility with IPv4 using the Next Header field.E、IPv6 represents large IP addresses using dotted decimal notation.
考题
Which two are valid fields in an IPv6 header?（）A、Hop LimitB、Next HeaderC、Fragment OffsetD、Header Checksum
考题
Which statement is correct regarding IPv6 addresses?（）A、An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B、An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C、An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D、An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
考题
When an IPv6 enabled host boots, it sends a router solicitation (RS) message. An IPv6 router responds with a router advertisement (RA). Which two items are c ontained in the RA?（）A、any route advertisements it has receivedB、prefixes for the linkC、keepalive timersD、IPv6 address for the hostE、request for the local host IP addressF、lifetime of the prefix
考题
Which two of these statements are true of IPv6 address representation?（）A、There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.B、A single interface may be assigned multiple IPv6 addresses of any type.C、Every IPv6 interface contains at least one loopback address.D、The first 64 bits represent the dynamically created interface ID.E、Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.
考题
Which of the following is true about the MPLS header and its EXP field size？（）A、The MPLS header is 2 bytes，and the EXP field is 3 bits long.B、The MPLS header is 1 byte，and the EXP field is 3 bits long.C、The MPLS header is 4 bytes，and the EXP field is 3 bits long.D、The MPLS header is 3 bytes，and the EXP field is 3 bits long.
考题
Why is IPv6 packet processing more effective than IPv4 packet processing?（）A、fixed header sizeB、smaller header sizeC、fewer header fieldsD、variable header size
考题
An IPv6 host is configured to request a specific path through the network to reach a destination.Which IPv6 extension header should be used?（）A、RoutingB、Hop-by-HopC、FragmentationD、Destination Options
考题
多选题Which two of these statements are true of IPv6 address representation? （）AThere are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.BA single interface may be assigned multiple IPv6 addresses of any type.CEvery IPv6 interface contains at least one loopback address.DThe first 64 bits represent the dynamically created interface ID.ELeading zeros in an IPv6 16 bit hexadecimal field are mandatory.
考题
单选题Which statement is true？（）A
An IPv6 address is 64 b long and is represented as hexadecimal characters.B
An IPv6 address is 32 b long and is represented as decimal digits.C
An IPv6 address is 128 b long and is represented as decimal digits.D
An IPv6 address is 128 b long and is represented as hexadecimal characters
考题
多选题Which two are valid fields in an IPv6 header?（）AHop LimitBNext HeaderCFragment OffsetDHeader Checksum
考题
单选题Which statement is correct regarding IPv6 addresses?（）A
An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B
An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C
An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D
An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
考题
单选题Which of the following is true about the MPLS header and its EXP field size？（）A
The MPLS header is 2 bytes，and the EXP field is 3 bits long.B
The MPLS header is 1 byte，and the EXP field is 3 bits long.C
The MPLS header is 4 bytes，and the EXP field is 3 bits long.D
The MPLS header is 3 bytes，and the EXP field is 3 bits long.
考题
单选题Which statement is true?（）A
An IPv6 address is 64 b long and is represented as hexadecimal characters.B
An IPv6 address is 32 b long and is represented as decimal digits.C
An IPv6 address is 128 b long and is represented as decimal digits.D
An IPv6 address is 128 b long and is represented as hexadecimal characters.
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