Typically, an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks. Such addresses are referred to as multicast addresses, and the act of sending a packet f
题目
空白（5）应选（ ）。
B. unicast
C. broadcast
D. multiple unicast
相似考题
参考答案和解析
更多“Typically, an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks. Such addresses are referred to a”相关问题
-
第1题：
How does a DHCP server dynamically assign IP addresses to hosts?()A.Addresses are permanently assigned so that the host uses the same address at all times.
B.Addresses are assigned for a fixed period of time. At the end of the period, a new request for an address must be made, and another address is then assigned.
C.Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease.
D.Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
参考答案：C
-
第2题：
Typically，an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks.Such addresses are referred to as multicast addresses，and the act of sending a packet from a source to the members of a （71）group is referred to as multicasting. Multicasting done （72） the scope of a single LAN segment is straight forward. IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN segment.Those stations that are members of the （73）multicast group recognize the multicast address and （74）the packet.In this case,only a single copy of the packet is ever transmitted.This technique works because of the （本题）nature of a LAN:A transmission from any one station is received by all other stations on the LAN.
A .multicast
B. unicast
C.broadcast
D.multiple unicast答案：C解析： -
第3题：
The Dynamic Host Configuration Protocol provides configuration parameters to Internet（ ）.DHCP consists of two components:a（ ）for delivering host-specifie configuration parameters from a DHCP server to a host and a mechanism for allocation of network addresses to hosts.DHCP is built on a client-server model,where designated DHCP server hosts allocate network addresses and deliver（ ）parameters to dynamically configured hosts.DHCP supports three mechanisms for IP address allocation.In“automatic allocation”,DHCP assigns a（本题）IP address to client.In“dynamic allocation”,DHCP assigns an IP address to a client for a limited period of time.In“manual allocation”,a client’s IP address is assigned by the network（ ）,and DHCP is used simply to convey the assigned address to the client.A.permanent
B.dynamic
C.connection
D.session答案：B解析： -
第4题：
Which statement is true about IPv6?（）
- A、Only one IPv6 address can be assigned to each interface.
- B、IPv6 hosts use anycast addresses to assign IP addresses to interfaces.
- C、Each host can a utoconfigure its address without the aid of a DHCP server.
- D、Only one IPv6 address is assigned per node.
正确答案:C -
第5题：
When a DHCP server is configured, which two IP addresses should never be assignable to hosts? （）
- A、network or subnetwork IP address
- B、broadcast address on the network
- C、IP address leased to the LAN
- D、IP address used by the interfaces
- E、manually assigned address to the clients
- F、designated IP address to the DHCP server
正确答案:A,B -
第6题：
A Bridged 1483 service offering is grouping DSL users into a large subnet.What are three characteristics of this configuration？（）
- A、It burns IP addresses.
- B、It conserves IP addresses.
- C、A group of PVCs is a subnet.
- D、It provides an umbered IP address to the ERX
- E、It provides an IP unnumbered address to ERX
正确答案:B,C,E -
第7题：
You are a systems administrator and you are about to assign static IP addresses to various servers on your network. For the network 192.168.20.24/29 the router is assigned to the first usable host address, while the last usable host address goes to your Sales server. Which one of the following commands would you enter into the IP properties box of the sales server?（）
- A、IP address: 192.168.20.14 Subnet Mask: 255.255.255.248 Default Gateway:192.168.20.9
- B、IP address: 192.168.20.254 Subnet Mask: 255.255.255.0 Default Gateway:192.168.20.1
- C、IP address: 192.168.20.30 Subnet Mask 255.255.255.248 Default Gateway:192.168.20.25
- D、IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.17
- E、IP address: 192.168.20.30 Subnet Mask 255.255.255.240 Default Gateway:192.168.20.25
正确答案:C -
第8题：
When you enable port security on an interface that is also configured with a voice VLAN， what is the maximum number of secure MAC addresses that should be set on the port？（）
- A、No more than one secure MAC address should be set.
- B、The default will be set.
- C、The IP phone should use a dedicated port， therefore only one MAC address is needed per port.
- D、No value is needed if the switchport priority extend command is configured.
- E、No more than two secure MAC addresses should be set.
正确答案:B -
第9题：
Which destination addresses will be used by Host A to send data to Host C?（）
- A、the IP address of Switch 1
- B、the MAC address of Switch 1
- C、the IP address of Host C
- D、the MAC address of Host C
- E、the IP address of the router's E0 interface
- F、the MAC address of the router's E0 interface
正确答案:C,F -
第10题：
单选题What is the purpose of an address book？（）AIt holds security policies for particular hosts.
BIt holds statistics about traffic to and from particular hosts.
CIt defines hosts in a zone so they can be referenced by policies.
DIt maps hostnames to IP addresses to serve as a backup to DNS resolution.
正确答案： D解析： 暂无解析 -
第11题：
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.
正确答案： A解析： 暂无解析 -
第12题：
单选题In a configuration with redundant supervisors， how many IP addresses are required to configure full remote access via management 0？（）Atwo IP addresses， one for each supervisor
Bthree IP addresses， one virtual IP and one physical IP for each supervisor
Cone IP address that is shared among supervisors
Dnone—management 0 will use the IP address from the first SVI that is created
正确答案： A解析： 暂无解析 -
第13题：
Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? ()
A.The subnet mask in use is 255.255.255.192.
B.The subnet mask in use is 255.255.255.128.
C.The IP address 172.16.1.25 can be assigned to hosts in VLAN1
D.The IP address 172.16.1.205 can be assigned to hosts in VLAN1
E.The LAN interface of the router is configured with one IP address.
F.The LAN interface of the router is configured with multiple IP addresses.
参考答案：B, C, F
-
第14题：
Typically，an IP address refers to an individual host on a particular network. IP also accommodates addresses that refer to a group of hosts on one or more networks.Sunch addresses are referred to as multicast addresses，and the act of sending a packet from a source to the members of a （作答本题）group is referred to as multicasting. Multicasting done （72） the scope of a single LAN segment is straight forward. IEEE 802 and other LAN protocols include provision for MAC-level multicast addresses. A packet with a multicast address is transmitted on a LAN segment.Those stations that are members of the （73）multicast group recognize the multicast address and （74）the packet.In this case,only a single copy of the packet is ever transmitted.This technique works because of the （75）nature of a LAN:A transmission from any one station is received by all other stations on the LAN.
A. numerous
B. only
C. single
D.multicast答案：D解析：IP地址同时也具有指向一个或多个网路组所有成员的行为称为多播。 -
第15题：
How many IP addresses can be configured in a given interface?（）
- A、one primary and one secondary IP address
- B、one IP address
- C、as many IP addresses as you want
- D、one primary and multiple secondary IP addresses
正确答案:C -
第16题：
How does a DHCP server dynamically assign IP addresses to hosts?（）
- A、Addresses are permanently assigned so that the host uses the same address at all times.
- B、Addresses are assigned for a fixed period of time. At the end of the period, a new request for an address must be made, and another address is then assigned.
- C、Addresses are leased to hosts. A host will usually keep the same address by periodically contacting the DHCP server to renew the lease.
- D、Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
正确答案:C -
第17题：
What is the purpose of an address book？（）
- A、It holds security policies for particular hosts.
- B、It holds statistics about traffic to and from particular hosts.
- C、It defines hosts in a zone so they can be referenced by policies.
- D、It maps hostnames to IP addresses to serve as a backup to DNS resolution.
正确答案:C -
第18题：
In a configuration with redundant supervisors， how many IP addresses are required to configure full remote access via management 0？（）
- A、 two IP addresses， one for each supervisor
- B、 three IP addresses， one virtual IP and one physical IP for each supervisor
- C、 one IP address that is shared among supervisors
- D、 none—management 0 will use the IP address from the first SVI that is created
正确答案:C -
第19题：
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.
正确答案:D -
第20题：
How dose a DHCP server dynamically assign IP address to host?（）
- A、Addresses are allocated after a negotiation between the server and the host to determine the length of the agreement.
- B、Addresses are assigned for a fixed period of time.At the end of period,a newquest for an address must be made,and another address is then assigned.
- C、Addresses are leased to host.A host will usually keep the same address by periodically contacting the DHCP sever to renew the lease.
- D、Addresses are permanently assigned so that the host uses the same address at all times.
正确答案:C -
第21题：
DNS servers provide what service?（）
- A、They run a spell check on host names to ensure accurate routing
- B、They convert domain names into IP address
- C、Given an IP address,they determine the name of the host that is sought
- D、They map individual hosts to their specific IP addresses
正确答案:B -
第22题：
多选题Refer to the diagram. All hosts have connectivity with one another. Which statements describe the addressing scheme that is in use in the network? （）AThe subnet mask in use is 255.255.255.192.
BThe subnet mask in use is 255.255.255.128.
CThe IP address 172.16.1.25 can be assigned to hosts in VLAN1
DThe IP address 172.16.1.205 can be assigned to hosts in VLAN1
EThe LAN interface of the router is configured with one IP address.
FThe LAN interface of the router is configured with multiple IP addresses.
正确答案： C,B解析： 暂无解析 -
第23题：
单选题DNS servers provide what service?（）AThey run a spell check on host names to ensure accurate routing
BThey convert domain names into IP address
CGiven an IP address,they determine the name of the host that is sought
DThey map individual hosts to their specific IP addresses
正确答案： B解析： 暂无解析