JN0-102 题目列表
单选题What is the role of route preference?（）AIt is used as a tiebreaker when the same prefix is available through multiple protocols.BIt is used to determine the preferred path to a given destination.CIt is used to select the best route between multiple equal-cost paths.DIt is used to select which routing table to use for forwarding.
单选题There are three static routes in the routing table that need to be announced to your OSPF peers. Which method is used to accomplish this?（）AApply an import policy to OSPF that injects the static routes into OSPFBApply an import policy to the static routes that injects the static routes into OSPFCApply an export policy to the static routes that injects the static routes into OSPFDApply an export policy to OSPF that injects the static routes into OSPF
多选题Which two statements are true about TCP communication?（）AThe receiver acknowledges the final packet in each communications stream.BThe receiver adds sequencing numbers to the packets received.CThe sender adds sequencing numbers to the packets it sends.DThe receiver acknowledges each packet it receives from the sending device.
单选题Which statement is correct about the forwarding table?（）AThe forwarding table is stored only on the PFEBThe forwarding table contains all known routesCThe forwarding table is stored on both the RE and PFEDThe forwarding table is stored only on the RE
单选题What information does the help reference command provide?（）AA brief description of commands and their default valuesBThe serial number and version number of the device used to open a support case with JTACCA list of all the active hardware alarms on the deviceDA display of the current configuration while in operational mode
多选题Which two statements are true regarding the role of the Routing Engine (RE)?（）AThe RE controls and monitors the chassis.BThe RE manages the Packet Forwarding Engine (PFE).CThe RE receives a copy of the forwarding table from the forwarding plane.DThe RE implements class of service (COS).
单选题Which command will delete the current rescue configuration?（）Auser@router# system delete configuration rescueBuser@router request system configuration rescue deleteCuser@router# delete rescue configurationDuser@router file delete rescue-configuration
多选题What are three benefits of using IPv6?（）AIPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.BIPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.CIPv6 eliminates the need for private to public NAT using a large address pool.DIPv6 provides backward compatibility with IPv4 using the Next Header field.EIPv6 represents large IP addresses using dotted decimal notation.
单选题What does the command show compare rollback 1 display?（）Athe difference between the current candidate configuration and the candidate configuration from one commit agoBthe difference between the current active configuration and the current candidate configurationCthe difference between the current active configuration and the active configuration from one commit agoDthe difference between the current candidate configuration and the archived configuration from one commit ago
单选题Which login class permission will allow a user to use the telnet utility?（）Anetwork permissionBmaintenance permissionCsupervisor permissionDshell permission
多选题Which two statements are true about static routes in the Junos OS?（）AStatic routes are defined at the [edit routing-instances] hierarchy.BStatic routes must have a next hop defined.CStatic routes remain in the routing table until you remove them or until they become inactive.DStatic routes are learned by neighboring devices and added to their routing tables.
单选题Which process is responsible for the configuration of the router and all user commands on a Junos device?（）ArpdBchassisdCdcdDmgd
单选题Which statement is true regarding the forwarding plane?（）AThe forwarding plane is contained within the Routing Engine (RE)BThe forwarding plane processes and evaluates exception trafficCThe forwarding plane contains the Packet Forwarding Engine (PFE)DThe forwarding plane is not present on all platforms running the Junos OS