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单选题
Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?（）
A
MD5 authentication is supported by the Junos OS
B
Server mode is not supported by the Junos OS
C
The Junos OS can provide a primary time reference
D
The Junos OS does not support the use of a boot server
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更多 “单选题Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?（）A MD5 authentication is supported by the Junos OSB Server mode is not supported by the Junos OSC The Junos OS can provide a primary time referenceD The Junos OS does not support the use of a boot server” 相关考题
考题
Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?()
A. MD5 authentication is supported by the Junos OSB. Server mode is not supported by the Junos OSC. The Junos OS can provide a primary time referenceD. The Junos OS does not support the use of a boot server
考题
Which statemetn is true regarding the Network Time Protocol (NTP) on Junos devices?()
A. MD5 authenticaton is supported by the Junos OSB. Server mode is not supported by the Junos OSC. The Junos OS can provide a primarytime referenceD. The Junos OS does not support the use of a boot server
考题
Which of the following is true regarding the use of switches and hubs for network connectivity()。
A.Switches take less time to process frames than hubs take.B.Switches do not forward broadcasts.C.Hubs can filter frames.D.Using hubs can increase the amount of bandwidth available to hosts.E.Switches increase the number of collision domains in the network.
考题
Part of the job as a network administrator is being able to make a distinction between routed protocols and routing protocols. Which of the following statements is true regarding them?（）A、A routing protocol is assigned to an interface and determines the method of packet delivery.B、A routed protocol is assigned to an interface and determines the method of packet delivery.C、A routing protocol determines the path of a packet through a network.D、A routed protocol determines the path of a packet through a network.E、A routing protocol operates at the transport layer of the OSI model.F、A routed protocol updates the routing table of a router.
考题
Which of the following statements regarding routed and routing protocols are true?（）A、A routed protocol is assigned to an interface and determines the method of packet deliver.B、A routing protocol determines the path of a packet through a network.C、A routed protocol determines the path of a packet through a network.D、A routing protocol operates at the transport layer of the OSI model.E、A routed protocol updates the routing table of a router.
考题
Which of the following is true regarding the effect of EIGRP queries on the network design？（）A、 EIGRP queries will be the most significant issue with respect to stability and convergence B、 EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a nexthop AD that is greater than the FD of the current successor route C、 EIGRP queries will only increase the convergence time when there are no EIGRP stubsdesigned in the network
考题
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？（）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
考题
Which of the following is true regarding Label Distribution Protocol （LDP）？（）A、It is a label distribution protocol for MPLSB、It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a networkC、Tag distribution Protocol （TDP） was the basis for LDPD、All of the above are true
考题
Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?（）A、A session key value is exchanged across the network.B、A session key never passes across the network.C、A session key is used as the key for asymmetric data encryption.D、A session key is used as the key for symmetric data encryption.
考题
Which two statements are true regarding the use of NTP clock synchronization?（）A、The Junos OS supports client, server, and symmetric modes of NTP operation.B、Synchronized time on all network devices makes log messages more useful for troubleshooting.C、Authentication methods are not supported.D、The Junos OS must be used as the primary time reference.
考题
Which statement is true regarding the Junos OS?（）A、All platforms running the Junos OS use the same source code baseB、All platforms running the Junos OS use the same PFEC、All platforms running the Junos OS use a hard drive to optimize syslog data storageD、All platforms running the Junos OS use a separate process with protected memory space for each routing protocol
考题
Which two statements are true regarding trace options on Junos devices?（）A、You can see the contents of the log file by entering the show log filename command.B、Trace options will send information to your screen automatically.C、Trace options are limited to one protocol at a time.D、The file name and a set of flags may be specified when enabling traceoptions.
考题
Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?（）A、MD5 authentication is supported by the Junos OSB、Server mode is not supported by the Junos OSC、The Junos OS can provide a primary time referenceD、The Junos OS does not support the use of a boot server
考题
Which two statements are true regarding routing policy processing?（）A、The Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.B、Policies are evaluated from right to left as displayed in the Junos OS configuration file.C、Polices are evaluated based on the order in which they are applied to a routing protocol.D、Policy processing stops once the last statement in the policy is evaluated.
考题
Which statemetn is true regarding the Network Time Protocol (NTP) on Junos devices?（）A、MD5 authenticaton is supported by the Junos OSB、Server mode is not supported by the Junos OSC、The Junos OS can provide a primarytime referenceD、The Junos OS does not support the use of a boot server
考题
Which statement is true regarding Flashback Version Query？ （）A、 It returns versions of rows only within a transaction.B、 It can be used in subqueries contained only in a SELECT statement.C、 It will return an error if the undo retention time is less than the lower bound time or SCN specified.D、 It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
考题
单选题Which statement is true regarding the Network Time Protocol (NTP) on Junos devices?（）A
MD5 authentication is supported by the Junos OSB
Server mode is not supported by the Junos OSC
The Junos OS can provide a primary time referenceD
The Junos OS does not support the use of a boot server
考题
多选题Part of the job as a network administrator is being able to make a distinction between routed protocols and routing protocols. Which of the following statements is true regarding them?（）AA routing protocol is assigned to an interface and determines the method of packet delivery.BA routed protocol is assigned to an interface and determines the method of packet delivery.CA routing protocol determines the path of a packet through a network.DA routed protocol determines the path of a packet through a network.EA routing protocol operates at the transport layer of the OSI model.FA routed protocol updates the routing table of a router.
考题
多选题Which two statements are true regarding the use of NTP clock synchronization?（）AThe Junos OS supports client, server, and symmetric modes of NTP operation.BSynchronized time on all network devices makes log messages more useful for troubleshooting.CAuthentication methods are not supported.DThe Junos OS must be used as the primary time reference.
考题
多选题Which of the following statements regarding routed and routing protocols are true?（）AA routed protocol is assigned to an interface and determines the method of packet deliver.BA routing protocol determines the path of a packet through a network.CA routed protocol determines the path of a packet through a network.DA routing protocol operates at the transport layer of the OSI model.EA routed protocol updates the routing table of a router.
考题
多选题Which three statements are true regarding the Network Time Protocol (NTP) in JUNOS platforms?（）AMD5 authentication is supported.BA client always synchronizes to a server even when the difference between the server clock and the local clock differs by a large amount.CJUNOS software can provide a primary time reference.DThe boot-server configuration allows a router to synchronize its clock when it boots up, regardless of the offset between the NTP clock source and its internal clock.EIt is useful to correlate timestamps on log files and other events for troubleshooting and forensics.
考题
单选题Which of the following is true regarding Label Distribution Protocol （LDP）？（）A
It is a label distribution protocol for MPLSB
It is a set of procedures and messages by which LSRs establish Label Switch Paths （LSPs） through a networkC
Tag distribution Protocol （TDP） was the basis for LDPD
All of the above are true
考题
单选题Which statemetn is true regarding the Network Time Protocol (NTP) on Junos devices?（）A
MD5 authenticaton is supported by the Junos OSB
Server mode is not supported by the Junos OSC
The Junos OS can provide a primarytime referenceD
The Junos OS does not support the use of a boot server
考题
单选题Which statement is true regarding a session key in the Diffie-Hellman key-exchange process?（）A
A session key value is exchanged across the network.B
A session key never passes across the network.C
A session key is used as the key for asymmetric data encryption.D
A session key is used as the key for symmetric data encryption.
考题
单选题Which statement is true regarding Flashback Version Query？（）A
It returns versions of rows only within a transaction.B
It can be used in subqueries contained only in a SELECT statement.C
It will return an error if the undo retention time is less than the lower bound time or SCN specified.D
It retrieves all versions including the deleted as well as subsequently reinserted versions of the rows.
考题
单选题Which of the following is true regarding the effect of EIGRP queries on the network design？（）A
EIGRP queries will be the most significant issue with respect to stability and convergence B
EIGRP queries are not a consideration as long as EIGRP has a feasible successor with a nexthop AD that is greater than the FD of the current successor route C
EIGRP queries will only increase the convergence time when there are no EIGRP stubsdesigned in the network
考题
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？（）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
考题
多选题Which two statements are true regarding routing policy processing?（）AThe Junos OS verifies the match criteria of each policy in order and performs the associated action when a match occurs.BPolicies are evaluated from right to left as displayed in the Junos OS configuration file.CPolices are evaluated based on the order in which they are applied to a routing protocol.DPolicy processing stops once the last statement in the policy is evaluated.
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