问题：多选题Which two statements are correct about firewall filters in the Junos OS?（）AFirewall filters are stateless.BFirewall filters are used to control routing information that is exchanged between devices.CFirewall filters are used to control traffic passing through the device.DFirewall filters can only be applied to traffic entering the device.

Saturday, September 17, 2022

问题：多选题You are modifying the default route preference under the [edit protocols] hierarchy. In which two routing information sources can you change the default preference value?（）AlocalBOSPFCdirectDBGP

Friday, September 16, 2022

问题：单选题What represents the binary equivalence of 148?（）A 10010110B 11010010C 10011100D 10010100

Sunday, January 5, 2025

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).

Tuesday, December 3, 2024

问题：单选题What represents the decimal equivalence of 01101110?（）A 90B 96C 110D 118

Saturday, June 3, 2023

问题：单选题You have received a default route through BGP from your ISP and you want to redistribute it into OSPF.Which method will accomplish this?（）A Apply an export policy to OSPF that exports the default routeB Apply an import policy to OSPF that imports the default routeC Apply the default-network command to OSPFD Apply the redistribute-igp command to BGP

Monday, August 12, 2024

问题：多选题What are two functions of the RE?（）Ato maintain routing tablesBto forward traffic toward its destinationCto manage the PFEDto implement various services such as policing, stateless firewall filtering, and class of service

Friday, June 21, 2024

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

Wednesday, January 8, 2025

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

Friday, February 7, 2025

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

Thursday, September 22, 2022

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.

Sunday, January 5, 2025

问题：多选题Which two external authentication methods are supported by the Junos OS for user authentication?（）ARADIUSBKERBEROSCIPsecDTACACS+

Monday, July 15, 2024

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

Monday, November 25, 2024

问题：单选题Which statement is correct regarding IPv6 addresses?（）A An IPv6 address consists of 128 bits separated into eight 16-bit hexadecimal sections.B An IPv6 address consists of 64 bits separated into four 16-bit hexadecimal sections.C An IPv6 address consists of 128 bits separated into sixteen 8-bit hexadecimal sections.D An IPv6 address consists of 64 bits separated into eight 8-bit hexadecimal sections.

Saturday, November 19, 2022

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

Wednesday, January 8, 2025

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.

Monday, September 25, 2023

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

Thursday, March 16, 2023

问题：单选题By default, if equal-cost paths exist for the same destination, which action will the router take?（）A Drop half the traffic.B Make a copy of the traffic and send it to both destinations.C Load-balance traffic between the available paths.D Randomly select one of the available paths to send traffic.

Friday, February 9, 2024

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.

Wednesday, January 8, 2025

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.

Tuesday, December 3, 2024