单选题When is it necessary to use a public IP address on a routing interface?()AConnect a router on a local network.BConnect a router to another router.CAllow distribution of routes between networks.DTranslate a private IP address.EConnect a network to the Internet.
单选题
When is it necessary to use a public IP address on a routing interface?()
A
Connect a router on a local network.
B
Connect a router to another router.
C
Allow distribution of routes between networks.
D
Translate a private IP address.
E
Connect a network to the Internet.
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阅读下面的短文,回答问题 [When an IP packet arrives at a router, generally the router looks at the destination address of the packet, and forwards the packet to one of its network interfaces. The forwarding decision is usually done by looking up the destination address from another data structure called a forwarding table. The forwarding table is created by the router using the routing table and possible routing policies existing in the router. The router then creates a table where it lists which networks are accessible through which of the routers network interfaces. An IP router looks at every IP packet individually and does the forwarding decision on a packet-by-packet basis. If something changes in the routers routing table, a packet can take a different route from a preceding packet even if it has the same destination.] From the paragraph above,we can see that the router ( ) a forwarding table according to the routing table and possible routing policies existing in the router. When an IP packet arrives at a router, the ( ) part of packet is normally checked by the router. An IP router checks every IP Packet individually and makes the forwarding decision based on ( ).A.is generating B.generate C.is generated D.generates A.forwarding table B.network interfaces C.routing policies D.destination address A.the destination address and network interfaces B.forwarding table and network interfaces C.the destination address and forward table D.routing policies and routing table
Your network contains the servers configured as shown in the following table. Name Server role Private IP address Public IP address Server1Routing and Remote Access server192.168.1.1 131.107.0.1 Web1 Web server 192.168.1.2 ? Your company is assigned the public IP addresses from 131.107.0.1 to 131.107.0.31.You need to ensure that Web1 is accessible from the Internet by using https://131.107.0.2.What should you do from the Routing and Remote Access console?()A. From the Static Routes node, configure a static route.B. From the server properties, configure SSL Certificate Binding.C. From the NAT interface, add an address pool and a reservation.D. From the NAT interface, configure the Secure Web Server (HTTPS) service.
Which of the following processes translates a private IP address for a public IP address?() A.NATB.DNSC.DHCPD.PAT
When is it necessary to use a public IP address on a routing interface?() A. Connect a router on a local network.B. Connect a router to another router.C. Allow distribution of routes between networks.D. Translate a private IP address.E. Connect a network to the Internet.
You are the network administrator of a medium-sized company, and users are complaining that they cannotsend emails to some organizations. During your troubleshooting, you notice that your DNS MX record isblacklisted by several public blacklist filters. After clearing these listings for your IP address, and assumingthat your email server has the right virus protection in place, what are two possible solutions to prevent thisfrom happening in the future?()A、Change your Internet provider.B、Change your public IP address.C、Allow the email server to send traffic only to TCP port 25.D、Put your email server in a DMZ.E、Use a separate public IP address for your email server only.
When an ICMP redirect is received, which of the following options is the most appropriate to conclude?()A、A routing table has changedB、The IP address has changedC、The system has become a gatewayD、A hacker is posing a threat to the system
Your network consists of a single Active Directory forest. You have an Exchange Server 2003 organization. You need to create a plan to transition the organization to Exchange Server 2010. The plan must meet the following requirements: .Ensure that e-mail messages can be sent between all users in the organization .Ensure that administrators can modify address lists from Exchange Server 2010 servers .Ensure that users who are moved to Exchange Server 2010 can access all public folders in theorganization What should you include in the plan?()A、two Send connectors a sharing policy address lists that use OPATHB、two Send connectors public folder replication new address listsC、a two-way routing group connector a sharing policy new address listsD、a two-way routing group connector public folder replication address lists that use OPATH
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Refer to the exhibit. Which rule does the DHCP server use when there is an IP address conflict?()A、The address is removed from the pool until the conflict is resolved.B、The address remains in the pool until the conflict is resolved.C、Only the IP detected by Gratuitous ARP is removed from the pool.D、Only the IP detected by Ping is removed from the pool.E、The IP will be shown, even after the conflict is resolved.
What will happen if a private IP address is assigned to a public interface connected to an ISP?()A、Addresses in a private range will be not routed on the Internet backbone.B、Only the ISP router will have the capability to access the public network.C、The NAT process will be used to translate this address in a valid IP address.D、Several automated methods will be necessary on the private network.E、A conflict of IP addresses happens, because other public routers can use the same range.
When is it necessary to use a public IP address on a routing interface?()A、Connect a router on a local network.B、Connect a router to another router.C、Allow distribution of routes between networks.D、Translate a private IP address.E、Connect a network to the Internet.
Which two design recommendations are most appropriate when OSPF is the data center core routing protocol? ()A、Never use passive interfaces.B、Use NSSA areas from the core down.C、Use totally stub areas to stop type 3 LSAs.D、Use the lowest Ethernet interface IP address as the router ID.E、Tune OSPF timers to enable OSPF to achieve quicker convergence.
Select the two answers that best describe the IP Event Dampening feature()A、The IP Event Dampening uses exponential decay mechanism to suppress the effects of excessive interface flappingB、BGP Operators use IP Event Dampening to suppress the effect of unstable internet RoutesC、The IP Event Dampening works with routing protocols by stopping the announcement of dampened interface subnets in their updatesD、When IP Event Dampened internet routes resch their re-use limit BGP installs them in the Routing Table and announces them to other BGP speakers
What are two reasons a network administrator would use CDP (Choose two.)()。A、to verify the type of cable interconnecting two devicesB、to determine the status of network services on a remote deviceC、to obtain VLAN information from directly connected switchesD、to verify Layer 2 connectivity between two devices when Layer 3 failsE、to obtain the IP address of a connected device in order to telnet to the deviceF、to determine the status of the routing protocols between directly connected routers
What are two reasons a network administrator would use CDP?()A、to verify the type of cable interconnecting two devicesB、to determine the status of network services on a remote deviceC、to obtain VLAN information from directly connected switchesD、to verify Layer 2 connectivity between two devices when Layer 3 failsE、to obtain the IP address of a connected device in order to telnet to the deviceF、to determine the status of the routing protocols between directly connected routers
Which of the following processes translates a private IP address for a public IP address?()A、NATB、DNSC、DHCPD、PAT
When configuring an interface using SMIT and Further Configuration with an IP address and netmask, which of the following outcomes indicates how the routing tables will be affected?()A、A subnet route is automatically addedB、A default route is automatically addedC、All other routes are automatically addedD、The routing table is not affected
When the Infranet Enforcer is set up in transparent mode, which additional resource policy must be configured to use OAC for IPsec enforcement? ()A、IPsec RoutingB、Access ControlC、IP Address PoolD、Source Interface
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 interfaceB、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interfaceC、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 interfaceD、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface
You are creating a destination NAT rule-set. Which two are valid for use with the from clause?()A、security policyB、interfaceC、routing-instanceD、IP address
单选题When configuring an interface using SMIT and Further Configuration with an IP address and netmask, which of the following outcomes indicates how the routing tables will be affected?()AA subnet route is automatically addedBA default route is automatically addedCAll other routes are automatically addedDThe routing table is not affected
单选题Your network consists of a single Active Directory forest. You have an Exchange Server 2003 organization. You need to create a plan to transition the organization to Exchange Server 2010. The plan must meet the following requirements: .Ensure that e-mail messages can be sent between all users in the organization .Ensure that administrators can modify address lists from Exchange Server 2010 servers .Ensure that users who are moved to Exchange Server 2010 can access all public folders in theorganization What should you include in the plan?()Atwo Send connectors a sharing policy address lists that use OPATHBtwo Send connectors public folder replication new address listsCa two-way routing group connector a sharing policy new address listsDa two-way routing group connector public folder replication address lists that use OPATH
单选题What will happen if a private IP address is assigned to a public interface connected to an ISP?()AAddresses in a private range will be not routed on the Internet backbone.BOnly the ISP router will have the capability to access the public network.CThe NAT process will be used to translate this address in a valid IP address.DSeveral automated methods will be necessary on the private network.EA conflict of IP addresses happens, because other public routers can use the same range.
单选题Your company has 250 client computers connected to the office LAN. The company has a pool of five public IP addresses. All client computers have dynamically assigned IP addresses. You need to provide all client computers with Internet access. What should you use?()A DHCP Relay AgentB Routing Information Protocol (RIP)C Internet Group Management Protocol (IGMP)D Network Address Translation (NAT)/Basic Firewall
单选题Your network contains the servers configured as shown in the following table. Name Server role Private IP address Public IP address Server1Routing and Remote Access server192.168.1.1 131.107.0.1 Web1 Web server 192.168.1.2 ? Your company is assigned the public IP addresses from 131.107.0.1 to 131.107.0.31.You need to ensure that Web1 is accessible from the Internet by using https://131.107.0.2.What should you do from the Routing and Remote Access console?()AFrom the Static Routes node, configure a static route.BFrom the server properties, configure SSL Certificate Binding.CFrom the NAT interface, add an address pool and a reservation.DFrom the NAT interface, configure the Secure Web Server (HTTPS) service.
单选题When is it necessary to use a public IP address on a routing interface?()AConnect a router on a local network.BConnect a router to another router.CAllow distribution of routes between networks.DTranslate a private IP address.EConnect a network to the Internet.
多选题Which two statements are true about the primary address on an interface? ()AIt is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interfaceBYou use the primary address when you have multiple IP addresses belonging to the same subnet on the same intefaceCIt 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 interfaceDBy default, the primary address on an interface is selected as the nmerically highest local address configured on the interface
单选题When an ICMP redirect is received, which of the following options is the most appropriate to conclude?()AA routing table has changedBThe IP address has changedCThe system has become a gatewayDA hacker is posing a threat to the system