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单选题
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）
A
Level 1 only
B
Level 2 only
C
Level 1 and Level 2
D
Level 3 only
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考题
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A. Level 1 onlyB. Level 2 onlyC. Level 1 and Level 2D. Level 3 only
考题
Which operational command would you use to quickly verify the state of all interfaces?()
A. show interfaces terseB. show interfacesC. show configuration interfacesD. show interface status
考题
Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?()
A. show interfaces statusB. show interfaces summaryC. show interfaces terseD. show interfaces admin
考题
Which CLI command displays the IS－IS level used by each interface?()
A. show clns neighborB. show isis neighborC. show clns interfaceD. show isis interface
考题
Which command would you use to view interface usage details in real time?()
A. show interfaces terseB. show interfaces extensiveC. monitor interface trafficD. monitor traffic interface
考题
Which command would you type to see a concise display of which interfaces are up and which are down?()
A.show interfaces briefB.show interfaces statusC.show ip interface briefD.show interfaces terse
考题
The router SIS-R has been configured in a CIS network. As a network administrator, you were required to enable MPLS on that router.Which of the following description is making sense on the basis of the output information?（）A. CEF switching is only needed to forward labeled packets.B. CEF switching is needed on both ingress and egress interfaces on which MPLS is enabled.C. Interface-level CEF switching is needed only on egress interfaces that are sending IP packets on which the egress LSR performs the label imposition process.D. Interface-level CEF switching is needed only on ingress interfaces that are receiving IP packets on which the ingress LSR performs the label imposition process.
考题
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()
A.show ip access-listB.show access-listC.list ip interfaceD.show interfaceE.show ip interface
考题
How would you characterize the source and type in a denial of service attack on a router？（）A、By perfornubg a show ip interface to see the type and source of the attack based upon the access-listmatchesB、By performing a show interface to see the transmitted load "txload" and receive load "rxload" ；if the interface utilization is not maxed out ，there is no attack underwayC、By setting up an access-list to permit all ICMP，TCP，and UDP traffic with the log or log-input commands，then use the show access-list and show log commands to determine the type and sourceof attackD、By applying an access-list to all incoming and outgoing interfaces，turning off route-cache on all interfaces，then，when telnetting into the router perform a debug IP packet detail
考题
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A、Level 1 onlyB、Level 2 onlyC、Level 1 and Level 2D、Level 3 only
考题
When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）A、show ip access-listB、show access-listC、list ip interfaceD、show interfaceE、show ip interface
考题
Which command would you use to view interface usage details in real time?（）A、show interfaces terseB、show interfaces extensiveC、monitor interface trafficD、monitor traffic interface
考题
You have a Level 1-only router (Router A) in IS-IS area 49.0001. How does Router A learn how to get to IP prefixes in other areas?（）A、Router A must have a Level 2 adjacency with the Level 1/Level 2 router in area 49.0001.B、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 1 link-state PDU (LSP) it floods into area 49.0001.C、The Level 1/Level 2 router in area 49.0001 sets the "attached" bit in the Level 2 LSP it floods into area 49.0001.D、The Level 1/Level 2 router in area 49.0001 advertises these prefixes into area 49.0001 using a Level 2 LSP it floods into the area.
考题
There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）A、No routers are adjacent with each other.B、Only Router A and Router B are adjacent at Level 1.C、Only Router A and Router B are adjacent at Level 2.D、All three routers are adjacent with each other at Level 1.
考题
An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show is interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level（s） is enabled on these interfaces？（）A、Level 1 onlyB、Level 2 onlyC、Level 1 and Level 2D、Level 3 only
考题
Which CLI command displays the IS-IS level used by each interface?（）A、show clns neighborB、show isis neighborC、show clns interfaceD、show isis interface
考题
Which command would you type to see a concise display of which interfaces are up and which are down?（）A、show interfaces briefB、show interfaces statusC、show ip interface briefD、show interfaces terse
考题
Which operational command would you use to quickly verify the state of all interfaces?（）A、show interfaces terseB、show interfacesC、show configuration interfacesD、show interface status
考题
Which command will allow you to quickly determine the administrative status of all interfaces on a Junos device?（）A、show interfaces statusB、show interfaces summaryC、show interfaces terseD、show interfaces admin
考题
单选题Which CLI command displays the IS-IS level used by each interface?（）A
show clns neighborB
show isis neighborC
show clns interfaceD
show isis interface
考题
单选题There are three IS-IS routers on a Gigabit Ethernet segment: Router A, Router B, and Router C. Each router is configured in the same area and each routers Gigabit Ethernet interface is configured for Level 1-only. Router A is the Designated Intermediate System (DIS). Each routers IP address on that segment is: Router A: 10.1.1.1/24 Router B: 10.1.1.2/24 Router C: 10.2.2.1/26 Which statement is true about all the adjacencies that exist on that LAN?（）A
No routers are adjacent with each other.B
Only Router A and Router B are adjacent at Level 1.C
Only Router A and Router B are adjacent at Level 2.D
All three routers are adjacent with each other at Level 1.
考题
单选题How would you characterize the source and type in a denial of service attack on a router？（）A
By perfornubg a show ip interface to see the type and source of the attack based upon the access-listmatchesB
By performing a show interface to see the transmitted load txload and receive load rxload ；if the interface utilization is not maxed out ，there is no attack underwayC
By setting up an access-list to permit all ICMP，TCP，and UDP traffic with the log or log-input commands，then use the show access-list and show log commands to determine the type and sourceof attackD
By applying an access-list to all incoming and outgoing interfaces，turning off route-cache on all interfaces，then，when telnetting into the router perform a debug IP packet detail
考题
单选题Which command would you use to view interface usage details in real time?（）A
show interfaces terseB
show interfaces extensiveC
monitor interface trafficD
monitor traffic interface
考题
单选题Which command would you type to see a concise display of which interfaces are up and which are down?（）A
show interfaces briefB
show interfaces statusC
show ip interface briefD
show interfaces terse
考题
单选题An IS-IS router is adjacent to and passing traffic with a neighbor. You perform a show isis interface detail command and notice that for some interfaces you have a circuit type of 3. Which IS-IS level(s) is enabled on these interfaces?（）A
Level 1 onlyB
Level 2 onlyC
Level 1 and Level 2D
Level 3 only
考题
单选题You are configuring new BGP neighbor and want to view the configuration for the interface ge-0/0/0.42.Which command do you use to achieve this result?（）A
[edit protocols bgp group external] user@router# set interfaces ge-0/0/0.42 ?B
[edit protocols bgp group external] user@router# edit show interfaces ge-0/0/0.42C
[edit protocols bgp group external] user@router# top show interfaces ge-0/0/0.42D
[edit protocols bgp group external] user@router# show interfaces ge0/0/0.42
考题
单选题Which statement is true about the SDM QoS wizard and its ability to enable a QoS policy on router interfaces？（）A
QoS can be enabled on interfaces used for Easy VPN clientsB
QoS can be enabled on IPsec VPN interfaces and tunnelsC
QoS can be enabled on interfaces with an existing QoS policyD
the QoS policy can be enabled for incoming and outgoing traffic on the interface
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