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单选题
Which of the following is the IPv6 loopback address?（）
A
：：1
B
1.1.1.1
C
127.0.0.1
D
255.255.255.254
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In JUNOS software, which statement is true regarding the OSPF advertisement of the loopback IP address on the ABR?()
A. When Area 0 is active, the loopback interface must be configured in OSPF for it to be advertised.B. When Area 0 is active, the loopback address is automatically advertised into other areas.C. When Area 0 is active, the OSPF router-id must match the loopback address for the loopback address to be advertised.D. When Area 0 is active, the router-id must be configured for the loopback address to be advertised.
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Which of the following is the IPv6 loopback address?()
A.：：1B.1.1.1.1C.127.0.0.1D.255.255.255.254
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The following configuration exists on a router on one end of an IPv6 tunnel. Although the configuration added so far is correct, the configuration is incomplete. Which type of tunnel is most likely to be intended by the network engineer？（）interface loopback 1ip address 192.168.1.1 255.255.255.255interface tunnel 2ipv6 address 2002:C0A8:10 1::1/64tunnel source loopback 1A. Automatic 6to4B. Manually configured tunnelC. ISATAPD. GRE
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The company network is in the process of migrating the IP address scheme to use IPv6. Which of the following address types are associated with IPv6?()
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Which two of these statements are true of IPv6 address representation?()
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Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?()
A.::1B.::C.2000::/3D.0::/10
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You are unable to telnet to a router at address 203.125.12.1 from a workstation with the IP address 203.125.12.23. You suspect that there is a problem with your protocol stack. Which of the following actions is most likely to confirm your diagnosis?（）A、ping 127.0.0.0B、ping 203.125.12.1C、telnet 127.0.0.1D、ping 127.0.0.1E、tracert 203.125.12.1
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When considering the design of the IPv6 address plan for the Enterprise Campus network， whichof the following should serve as guidance？（）A、 All the IPv6 subnets should use a /32 prefixB、 Set aside /31 prefixes to support point-to-point links and loopback interfacesC、 The IPv6 address plan should be designed to support the service block model design orintegration with IPv4D、 Designate 16 subnet bits to be split up intelligently， either by OSPF area. VLAN numbering， orIPv4 mapping
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Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?（）A、::1B、::C、2000::/3D、0::/10
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The company network is in the process of migrating the IP address scheme to use IPv6. Which of the following address types are associated with IPv6?（）A、UnicastB、PrivateC、Broadca stD、PublicE、MulticastF、Anycast
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The following configura tion exists on a router on one end of an IPv6 tunnel. Which type of tunnel is created by this configuration?（） interface loopback 1 ip address 1.1.1.1 255.255.255.255 interface tunnel 2 ipv6 address 2000::1::/64 tunnel source loopback 1 tunnel destina tion 2.2.2.2 tunnel mode ipv6ip ipv6 eigrp 1A、Automatic 6to4B、Manually configured tunnelC、ISATAPD、GRE
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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.
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R1 in ASN 1 with loopback1 address 1.1.1.1 needs to be configured with an iBGP connection to R2 with loopback2 IP address 2.2.2.2. The connection should use the loopbacks. Which o f the following commands is required on R1?（）A、neighbor 1.1.1.1 remote- as 1B、neighbor 2.2.2.2 remote- as 2C、neighbor 2.2.2.2 update - source loopback1D、neighbor 2.2.2.2 ibgp -multihop 2E、neighbor 2.2.2.2 ibgp - mode
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Which of the following answers lists either a protocol or function that can be used by a host to dynamically learn its own IPv6 address?（）A、Stateful DHCPB、Stateless DHCPC、Stateless autoconfigurationD、Neighbor Discovery Protocol
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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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Which of the following is helpful to allow an IPv6 host to learn the IP address of a default gateway on its subnet?（）A、Stateful DHCPB、Stateless RSC、Stateless autoconfigurationD、Neighbor Discovery Protocol
考题
A technician installs a local web server which is not accessible from the network. Which of the following is the local IP address that the web server should be using on the loopback adapter?（）A、127.0.0.1B、172.31.146.1C、192.168.1.1D、10.1.1.1
考题
Which of the following is the IPv6 loopback address?（）A、：：1B、1.1.1.1C、127.0.0.1D、255.255.255.254
考题
单选题Which of the following is helpful to allow an IPv6 host to learn the IP address of a default gateway on its subnet?（）A
Stateful DHCPB
Stateless RSC
Stateless autoconfigurationD
Neighbor Discovery Protocol
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单选题When considering the design of the IPv6 address plan for the Enterprise Campus network， whichof the following should serve as guidance？（）A
All the IPv6 subnets should use a /32 prefixB
Set aside /31 prefixes to support point-to-point links and loopback interfacesC
The IPv6 address plan should be designed to support the service block model design orintegration with IPv4D
Designate 16 subnet bits to be split up intelligently， either by OSPF area. VLAN numbering， orIPv4 mapping
考题
单选题R1 in ASN 1 with loopback1 address 1.1.1.1 needs to be configured with an iBGP connection to R2 with loopback2 IP address 2.2.2.2. The connection should use the loopbacks. Which o f the following commands is required on R1?（）A
neighbor 1.1.1.1 remote- as 1B
neighbor 2.2.2.2 remote- as 2C
neighbor 2.2.2.2 update - source loopback1D
neighbor 2.2.2.2 ibgp -multihop 2E
neighbor 2.2.2.2 ibgp - mode
考题
单选题A technician installs a local web server which is not accessible from the network. Which of the following is the local IP address that the web server should be using on the loopback adapter?（）A
127.0.0.1B
172.31.146.1C
192.168.1.1D
10.1.1.1
考题
单选题The following configuration exists on a router on one end of an IPv6 tunnel. Although the configuration added so far is correct, the configuration is incomplete. Which type of tunnel is most likely to be intended by the network engineer？（） interface loopback 1 ip address 192.168.1.1 255.255.255.255 interface tunnel 2 ipv6 address 2002:C0A8:10 1::1/64 tunnel source loopback 1A
Automatic 6to4B
Manually configured tunnelC
ISATAPD
GRE
考题
单选题The following configura tion exists on a router on one end of an IPv6 tunnel. Which type of tunnel is created by this configuration?（） interface loopback 1 ip address 1.1.1.1 255.255.255.255 interface tunnel 2 ipv6 address 2000::1::/64 tunnel source loopback 1 tunnel destina tion 2.2.2.2 tunnel mode ipv6ip ipv6 eigrp 1A
Automatic 6to4B
Manually configured tunnelC
ISATAPD
GRE
考题
单选题In JUNOS software, which statement is true regarding the OSPF advertisement of the loopback IP address on the ABR?（）A
When Area 0 is active, the loopback interface must be configured in OSPF for it to be advertised.B
When Area 0 is active, the loopback address is automatically advertised into other areas.C
When Area 0 is active, the OSPF router-id must match the loopback address for the loopback address to be advertised.D
When Area 0 is active, the router-id must be configured for the loopback address to be advertised.
考题
单选题Which IPv6 address is the equivalent of the IPv4 interface loopback address 127.0.0.1?（）A
::1B
::C
2000::/3D
0::/10
考题
多选题The company network is in the process of migrating the IP address scheme to use IPv6. Which of the following address types are associated with IPv6?（）AUnicastBPrivateCBroadca stDPublicEMulticastFAnycast
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