单选题Which statement is correct about an OSPF sham-link？（）AA sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.BA sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.CA sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.DA sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.EA sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
单选题
Which statement is correct about an OSPF sham-link？（）
A
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
B
A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
C
A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.
D
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.
E
A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
参考解析
解析：
暂无解析
相关考题：
Which statement is correct about the policy shown in the exhibit?() A. All routes are accepted.B. All routes are rejected.C. A 172.27.0.0/24 route will be accepted.D. A 172.27.0.0/16 route will be accepted.
Which statement is correct about the forwarding table?() A. The forwarding table is stored only on the PFEB. The forwarding table contains all known routesC. The forwarding table is stored on both the RE and PFED. The forwarding table is stored only on the RE
Which statement is correct about a Routing Policy term?() A.A term must contain a from statement.B.A term acts like if and then statements.C.The most specific term has precedence.D.Terms can be written in any order to achieve the same behavior.
Which three statements are correct about the differences in IS － IS and OSPF?() A. IS - IS is more CPU - intensive than is OSPFB. For greater fine tuning there are more IS - IS timersC. IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAsD. New additions to the protocol are easily implemented in OSPF but not with IS - ISE. OSPF has more area types than does IS - IS
Refer to the exhibit. Router C was configured so that it could form an adja cency with three OSPF neighbors, one connected to each of its three physical interfaces. Which statement is correct about router C?（）A. It is configured and functioning correctly as an OSPF internal router.B. It is configured and functioning correc tly as an ABR attached to stub area 4.C. It is configured and functioning correctly as an ASBR attached to external area 4.D. It is configured and functioning correctly as an ABR attached to totally stubby area 4.E. It is not configured correctly to function as specified.
Refer to the exhibit. Which statement is true about the configuration? () A. RTA will not establish an OSPF adjacency w ith RTBB. RTA will send OSPF hello packets, but will not send OSPF updatesC. RTA will not accept OSPF hello packets from RTBD. RTA will send OSPF updates, but will not establish an adjacency with RTB
If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）A、A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor linkB、A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchangedC、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor doorD、A SHAM link is part of OSPF network of MPLS-VPN provider
Which statement is correct about an OSPF sham-link？（）A、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.B、A sham-link is a logical link between PE routers that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.C、A sham-link is a logical link between PE routers that carries OSPF LSAs and forwards customer traffic across it.D、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and carries OSPF LSAs.E、A sham-link is a point-to-multipoint link that provides an OSPF adjacency between the PE routers and forwards customer traffic across it.
A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）A、For the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.B、For the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.C、Direct inter-vlan communication does not require OSPFD、OSPF cannot be used if router-on-a-stick is configured on the router
Which statement about OSPF authentication is true？（）A、To enable OSPF authentication in a network， OSPF area 0 authentications must be enabled firstB、The payload of OSPF version 3 packets contains no authentication informationC、OSPF version 3 supports Advanced Encryption StandardD、OSPF version 3 uses router ID as a key to encrypt OSPF hello packetsE、OSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP
Which statement is true about the frequency of OSPF LSA transmissions？（）A、 They are configured per OSPF area.B、 They are configured per virtual router.C、 They are configured per OSPF process.D、 They are configured per OSPF interface.
Which statement is true about the command ipv6 ospf 1 area 0?（）A、It must be issued before the network command to enable the OSPF pr ocess for IPv6.B、It must be issued after the network command to enable the OSPF process for IPv6.C、It must be issued in router global configuration mode to enable the OSPF process for IPv6.D、It must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
Which statement is correct about the use of the virtual interface on a WLC ？（）A、 Used to relay DHCP messagesB、 Used to communicate with LAPsC、 Used to bring up LWAPP tunnelsD、 Used to extend into the wireless client VLAN
Which three statements are correct about the differences in IS - IS and OSPF?（）A、IS - IS is more CPU - intensive than is OSPFB、For greater fine tuning there are more IS - IS timersC、IS - IS LSP con tains TLV fields and OSPF LSU contains the LSAsD、New additions to the protocol are easily implemented in OSPF but not with IS - ISE、OSPF has more area types than does IS - IS
Which statement about PPPoA configuration is correct？（）A、The dsl operating-mode auto command is required if the default mode has been changedB、The ip mtu 1496 command must be applied on the dialer interfaceC、The encapsulation ppp command is requiredD、The ip mtu 1492 command must be applied on the dialer interface
Which statement is correct about a Routing Policy term?（）A、A term must contain a "from" statement.B、A term acts like "if" and "then" statements.C、The most specific term has precedence.D、Terms can be written in any order to achieve the same behavior.
单选题Which statement about the Flinders bar of the magnetic compass is CORRECT（）.AIt compensates for the error caused by the vertical component of the Earth's magnetic fieldBIt compensates for error caused by the heeling of a vesselCIt compensates for quadrantal deviationDIt is only needed in equatorial waters
多选题Which three statements are correct about the differences in IS - IS and OSPF?（）AIS - IS is more CPU - intensive than is OSPFBFor greater fine tuning there are more IS - IS timersCIS - IS LSP con tains TLV fields and OSPF LSU contains the LSAsDNew additions to the protocol are easily implemented in OSPF but not with IS - ISEOSPF has more area types than does IS - IS
单选题Which statement about the Navigation Rules is TRUE?（）.AThe rules require vessels to comply with Traffic Separation Scheme regulationsBThe rules use the term safe speedCThe Rules permit a stand-on vessel to take action prior to being in extremisDAll of the above are correct
多选题If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）AA sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor linkBA sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchangedCA SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor doorDA SHAM link is part of OSPF network of MPLS-VPN provider
单选题Which statement is true about the command ipv6 ospf 1 area 0?（）AIt must be issued before the network command to enable the OSPF pr ocess for IPv6.BIt must be issued after the network command to enable the OSPF process for IPv6.CIt must be issued in router global configuration mode to enable the OSPF process for IPv6.DIt must be issued in interface configuration mode to ena ble the OSPF process for IPv6.
单选题Which statement about OSPF authentication is true？（）ATo enable OSPF authentication in a network， OSPF area 0 authentications must be enabled firstBThe payload of OSPF version 3 packets contains no authentication informationCOSPF version 3 supports Advanced Encryption StandardDOSPF version 3 uses router ID as a key to encrypt OSPF hello packetsEOSPF MD5 authentication uses TCP， and Plan Test authentication uses UDP
单选题Which statement is true about the frequency of OSPF LSA transmissions？（）A They are configured per OSPF area.B They are configured per virtual router.C They are configured per OSPF process.D They are configured per OSPF interface.
单选题A switch has been configured with two vlans and is connected to a router with a trunk for inter-vlan routing.OSPF has been configured on the router，as the routing protocol for the network.Which statement about thisnetwork is true？（）AFor the two vlans to communicate，a network statement for the trunk interface needs to be added to the OSPF configuration.BFor the two vlans to communicate， a network statement for each subinterface needs to be added to the OSPF configuration.CDirect inter-vlan communication does not require OSPFDOSPF cannot be used if router-on-a-stick is configured on the router
单选题Which statement is correct about a Routing Policy term?（）AA term must contain a from statement.BA term acts like if and then statements.CThe most specific term has precedence.DTerms can be written in any order to achieve the same behavior.
单选题Which statement is correct about the use of the virtual interface on a WLC ？（）A Used to relay DHCP messagesB Used to communicate with LAPsC Used to bring up LWAPP tunnelsD Used to extend into the wireless client VLAN