单选题Which statement about IPv6 is true?（）AAddresses are not hierarchical and are assigned at random.BOnly one IPv6 address can exist on a given interface.CThere are 2.7 billion addresses available.DBroadcasts have been eliminated and replaced with multicasts.
单选题
Which statement about IPv6 is true?（）
A
Addresses are not hierarchical and are assigned at random.
B
Only one IPv6 address can exist on a given interface.
C
There are 2.7 billion addresses available.
D
Broadcasts have been eliminated and replaced with multicasts.
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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.
Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? () A. IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.B. IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.C. Hosts can be configured to receive both IPv4 and IPv6 addresses via DHCP.D. Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.E. IPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.
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In IPv6, the interfaces running OSPF can be configured with multiple ad dress prefixes.Which statement is true about the IPv6 addresses that can be included into the OSPF process? () A. Specific addresses can be selected using a prefix list.B. Specific addresses can be selected using a route map.C. Specific addresses cann ot be selected for importation into the OSPF process.D. Specific addresses can be selected using an ACL.
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Which statement describes the process of dynamically assigning IP addresses by the DHCP server?() A. Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.B. Addresses are permanently assigned so that the hosts uses the same address at all times.C. Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.D. Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.
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.
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The number of home users and small businesses that want to use the Internet is ever increasing. The shortage of addresses is becoming a serious problem. A quick solution to this problem is called network address translation(NAT).NAT enables a user to have a large set of addresses（ ）and one address, or a smallset of addresses,externally. The traffic inside can use the large set; the traffic（ ）, the small set. To separate the addresses used inside the home or business and the ones used for the Internet, the Internet authorities have reserved three sets of addresses as （ ） addresses. Any organization can use an address out of this set withoutpermission from the Internet authorities. Everyone knows that these reserved addresses are for private networks.They are （ ） inside the organization, but they are not unique globally. No router will （请作答此空） a packet that has one of these addresses as the destination address.The site must have only one single connection to the global Internet through a router that runs the NAT software.A.rejectB.receiveC.denyD.forward
Which statement about RIPng is true?（）A、RIPng allows for routes with up to 30 hops.B、RIPng is enabled on each interface separately.C、RIPng uses broadcasts to exchange routes.D、There can be only one RIPng process per router.
Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? （）A、IPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.B、IPv6 provides for more host IP addresses but IPv4 provides for more network addresses.C、Hosts can be configured to receive both IPv4 and IPv6 addresses via DHCP.D、Host configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.E、IPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.
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
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.
Which two statements describe characteristics of IPv6 unicast addressing?（）A、Global addresses start with 2000::/3.B、Link-local addresses start with FE00:/12.C、Link-local addresses start with FF00::/10.D、There is only one loopback address and it is ::1.E、If a global address is assigned to an interface, then that is the only allowable address for the interface.
Which statement describes the process of dynamically assigning IP addresses by the DHCP server?（）A、Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.B、Addresses are permanently assigned so that the hosts uses the same address at all times.C、Addresses are assigned for a fixed period of time, at the end of the period, a new request for an address must be made.D、Addresses are leased to hosts, which periodically contact the DHCP server to renew the lease.
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.
Which statement about IPv6 is true?（）A、Addresses are not hierarchical and are assigned at random.B、Only one IPv6 address can exist on a given interface.C、There are 2.7 billion addresses available.D、Broadcasts have been eliminated and replaced with multicasts.
Which two statements are true about the primary address on an interface?（）A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface.B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface.C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface.D、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface.
单选题In IPv6, the interfaces running OSPF can be configured with multiple ad dress prefixes. Which statement is true about the IPv6 addresses that can be included into the OSPF process?" （）ASpecific addresses can be selected using a prefix list.BSpecific addresses can be selected using a route map.CSpecific addresses cann ot be selected for importation into the OSPF process.DSpecific addresses can be selected using an ACL.
多选题Which two statements are true about using IPv4 and IPv6 simultaneously on a network segment? （）AIPv6 allows a host to create its own IPv6 address that will allow it to communicate to other devices on a network configured via DHCP. IPv4 does not provide a similar capability for hosts.BIPv6 provides for more host IP addresses but IPv4 provides for more network addresses.CHosts can be configured to receive both IPv4 and IPv6 addresses via DHCP.DHost configuration options for IPv4 can be either statically assigned or assigned via DHCP.Host configuration options for IPv6 can be statically assigned only.EIPv4 and IPv6 addresses c an be simultaneously assigned to a host but not to a router interface.
单选题Which statement is true？（）AAn IPv6 address is 64 b long and is represented as hexadecimal characters.BAn IPv6 address is 32 b long and is represented as decimal digits.CAn IPv6 address is 128 b long and is represented as decimal digits.DAn IPv6 address is 128 b long and is represented as hexadecimal characters
单选题Which statement about VPNv6 addresses is true？（）AThe VPNv6 address is a 96-bit route distinguisher and a 128-brt IPv6 addressBThe VPNv6 address is a 64-bit route distinguisher and a 128-bit IPv6 addressCThe VPNv6 address is a 64-brt route distinguisher and a 96-brt IPv6 addressDThe VPMv6 address is a 96-brt route distinguisher and a 96-bit IPv6 addressEThe VPNv6 address is a 128-bit route distinguisher and a 128-brt IPv6 address
单选题Which statement is correct regarding IPv6 addresses?（）AAn IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.BAn IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.CAn IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.DAn IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.
单选题Which statement about RIPng is true?（）ARIPng allows for routes with up to 30 hops.BRIPng is enabled on each interface separately.CRIPng uses broadcasts to exchange routes.DThere can be only one RIPng process per router.
单选题Which statement is true?（）AAn IPv6 address is 64 b long and is represented as hexadecimal characters.BAn IPv6 address is 32 b long and is represented as decimal digits.CAn IPv6 address is 128 b long and is represented as decimal digits.DAn IPv6 address is 128 b long and is represented as hexadecimal characters.
单选题Which statement is true about IPv6?（）AOnly one IPv6 address can be assigned to each interface.BIPv6 hosts use anycast addresses to assign IP addresses to interfaces.CEach host can a utoconfigure its address without the aid of a DHCP server.DOnly one IPv6 address is assigned per node.