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Computer Skills Questions

Explore questions in the Computer Skills category that you can ask Spark.E!

You have been asked to use a 23-bit network mask to segment the network block 209.18.12.0. How many usable host addresses will there be per subnet?A- 510B- 1022C- 2046D- 8190

Which two characteristics describe the UDP protocol? (Choose two)A- limited error checkingB- defined timersC- no recovery mechanismD- three-way handshake

Which operating system do Juniper Network MX Series routers use?A- IOSB- MX-OSC- UNIXD- Junos OS

You issue the ping interface tl-1/1/0 1.1.1.1 bypass-routing count 1000 rapid command. Which statement is correct?A- the count parameter creates a counter that you can view with the show firewall commandB- The count parameter allows the router to count the number of pings for logging purposes.C- The count parameter allows the router to pause for 1000 seconds before sending out a pingD- The count parameter allows the router to send out 1000 pings and then stop

Which command will display only direct routes?A- show routeB- show route inet.0 directC- show ip route directD- show route protocol direct

A network administrator wnats to verify the active alarms on interface so-0/0/0.0. Which command displays this information?A- show interfaces alarmsB- show interfaces terseC- show alarms extensiveD- show interfaces extensive

Which account is used to access a Junos device in factory-default configuration?A- rootB- adminC- juniperD- user

You want to log in to the router and make a configuration change. After logging in as the root user, what is the next command you must enter?A- enableB- configureC- editD- cli

You need to control SSH, HTTP and Telnet access to an MX240 router through any interface. You have decided to use a firewall filter. How should you apply the firewall filter?A- as an outbound filter on interface fxp0B- as an outbound filter on interface lo0C- as an inbound filter on interface fxp0D- as an inbound filter on interface lo0

Which statement is true about the forwarding plane?A- The forwarding plane is the intelligence of the platform.B- The forwarding plane is based on an X86 architecture.C- The forwarding plane maintains the routing tables, bridging table, and primary forwarding tableD- The forwarding plane implements policers, stateless firewall filters, and class of service.

What a re three benefits of class of service? (Choose three)A- It can make a slow network fasterB- It can priorize latency-sensitive trafficC- It can eliminate congestionD- It can control congestionE- It can allocate andwidth for different classes of traffic

Which CLI mode allows you to make configuration changes?A- enable modeB- configuration modeC- operational modeD- active mode

By default, which two statements are true about export routing policies? (Choose two)A- Export policies can evaluate only active routesB- Export policies can evaluate all routesC- Export policies can be applied to the forwarding tableD- Export policies can be applied to interfaces

Which command will display the contents of the forwarding table?A- show route forwarding-tableB- show forwardingC- show configuration

What represents the decimal equivalence of 01101110?A- 5B- 96C- 110D- 118

Which two statements are true regarding the role of the Routing Engine (RE)? (Choose two)A- The RE controls and monitors the chassisB- The RE manages the Packet Forwarding Engine (PFE)C- The RE receives a copy of the forwarding table from the forwarding planeD- The RE implements class of service (COS)

Which CLI command do you use to determine which files are cleanup candidates?A- request system storage cleanup candidatesB- request system services storage candidatesC- request system services candidate cleanupD- request system storage cleanup dry-run

Which statement is true about a routing table?A- It contains routes learned dynamically onlyB- It finds the best path to each destination by using a modified shortest-path-first calculationC- It contains only active BGP routesD- It contains all accepted routes to all destinations

In the MAC address 00:90:69:9f:ea:46, what represents the Organizationally Unique Identifier (OUI)?A- 69:9f:ea:46B- 00:90:69:9fC- 9f:ea:46D- 00:90:69

Which network mask is the equivalnet of 255.255.248.0?A- /20B- /21C- /22D- /23

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