问题：单选题Which CLI mode allows you to make configuration changes?（）A enable modeB configuration modeC operational modeD active mode
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问题：单选题What is the default protocol preference for OSPF internal routes?（）A 10B 15C 150D 160
问题：单选题Which class-of-service component allows you to define the bandwidth allocated to different traffic types?（）A classificationB rewrite markingC schedulingD queuing
问题：多选题Which two commands may be used when configuring an IP address for a Gigabit Ethernet interface?（）Aset interfaces ge-0/0/0.0 address 10.1.1.1/24Bset interfaces ge-0/0/0.0 family inet address 10.1.1.1/24Cset interfaces ge-0/0/0 unit 0 family inet address 10.1.1.1/24Dset interfaces ge-0/0/0 address 10.1.1.1/24
问题：单选题What does the command show compare rollback 1 display?（）A the difference between the current candidate configuration and the candidate configuration from one commit agoB the difference between the current active configuration and the current candidate configurationC the difference between the current active configuration and the active configuration from one commit agoD the difference between the current candidate configuration and the archived configuration from one commit ago
问题：单选题Which command will delete the current rescue configuration?（）A user@router# system delete configuration rescueB user@router> request system configuration rescue deleteC user@router# delete rescue configurationD user@router> file delete rescue-configuration
问题：单选题What is an advantage of dynamic routing?（）A Unlike static routing, dynamic routing provides redundant IP addresses for end-user devices.B Unlike static routing, dynamic routing requires no initial user configuration.C Dynamic routing can provide increased network availability when compared to static routing.D Dynamic routing provides DNS services along with IP connectivity; static routing does not.
问题：单选题Which interface type connects the control and forwarding planes on an MX Series device?（）A fxp1B fxp0C me0D ae1
问题：单选题Which command will silently drop a matching packet?（）A set routing-options static route 10.1.1.1/32 no-retainB set routing-options static route 10.1.1.1/32 discardC set routing-options static route 10.1.1.1/32 rejectD set routing-options static route 10.1.1.1/32 passive
问题：单选题What represents the binary equivalence of 96?（）A 11010100B 01100000C 11010000D 11101010
问题：单选题What information does the help reference command provide?（）A A brief description of commands and their default valuesB The serial number and version number of the device used to open a support case with JTACC A list of all the active hardware alarms on the deviceD A display of the current configuration while in operational mode
问题：多选题You have been asked to develop an application that uses only connection-oriented protocols. Which two protocols can you use?（）APPPBUDPCTCPDICMP
问题：单选题Which statement is true about the forwarding table?（）A The forwarding table is stored in the control plane only.B The forwarding table is stored in the control plane and in the forwarding plane.C The forwarding table contains both active and inactive routes.D The forwarding table can contain only a single next hop per destination.
问题：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.
问题：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?（）A Apply an import policy to OSPF that injects the static routes into OSPFB Apply an import policy to the static routes that injects the static routes into OSPFC Apply an export policy to the static routes that injects the static routes into OSPFD Apply an export policy to OSPF that injects the static routes into OSPF
问题：单选题What is the role of route preference?（）A It is used as a tiebreaker when the same prefix is available through multiple protocols.B It is used to determine the preferred path to a given destination.C It is used to select the best route between multiple equal-cost paths.D It is used to select which routing table to use for forwarding.
问题：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).
问题：单选题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
问题：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.
问题：单选题What represents the binary equivalence of 148?（）A 10010110B 11010010C 10011100D 10010100
