Juniper EX, Associate (JNCIA-EX) Set 2

1.

Within a virtual chassis, which type of switch maintains the forwarding table?

forwarding switch line card master switch routing switch

2.

Which operational-mode command displays the status, physical properties, logical properties, usage statistics, and error statistics for ge-0/0/0?

show interfaces ge-0/0/0 brief show interfaces ge-0/0/0 detail show interfaces ge-0/0/0 extensive show interfaces ge-0/0/0 terse

3.

Which packet contains VLAN assignment information for a user during the 802.1X authentication process?

EAP-response EAP-success RADIUS access-challenge RADIUS access-accept

4.

An EX-series switch has two routes for the same prefix: one that it received through OSPF and one that is a static route. How will the switch choose a route to use for this prefix?

The switch will compare route preferences and use the route with the lowest route preference. The switch will compare metrics and use the route with the lowest metric. The switch will compare route preferences and use the route with the highest route preference. The switch will compare metrics and use the route with the highest metric.

5.

Which command is used to upgrade JUNOS software on an EX-series switch?

user@switch# request system software upgrade user@switch> request system software upgrade user@switch# request system software add user@switch> request system software add

6.

Which statement is correct about the single-secure mode of 802.1X?

It allows any one supplicant on the interface to be authenticated; once authentication is successful, any other devices on the same interface will gain access. It allows any one supplicant on the interface to be authenticated; once authentication is successful, only thesuccessfully authenticated supplicant is allowed access at one time. It allows any number of supplicants on the interface to be authenticated; only supplicants with their ownsuccessful authentication are allowed access at the same time. It does not require any supplicant on the interface; no supplicant is able to gain access.

7.

Which statement is correct about Dynamic ARP Inspection (DAI)?

DAI is configured on a per-port basis. DAI disables the interface when an incorrect ARP packet is received. DAI is configured on a Layer 3 interface. DAI requires DHCP snooping to be configured.

8.

Which statement is correct regarding Dynamic ARP Inspection (DAI)?

DAI drops any gratuitous-ARP when configured. DAI examines ARP packets on Layer 2 access interfaces by default. DAI is enabled by default. DAI examines ARP packets on Layer 2 trunk interfaces by default.

9.

Which switching feature allows individual users to be grouped in a LAN segment based upon business needs?

802.1X VLANs redundant trunk groups (RTGs) VRRP

10.

You are configuring the voice VLAN feature on an EX-series switch on interface ge-0/0/5. Which configuration would you use?

ethernet-switching-options { voice-vlan{ interface ge-0/0/5.0 { vlanvoice-over-ip; forwarding-class expedited-
forwarding; } ethernet-switching-options { voice-vlan{ interface ge-0/0/5.0 { member-vlanvoice-over-ip; forwarding-classexpedited-forwarding; } ethernet-switching-options { voip { interface ge-0/0/5.0 { member-vlanvoice-over-ip; forwarding-classexpedited-forwarding; } ethernet-switching-options { voip { interface ge-0/0/5.0 { vlanvoice-over-ip; forwarding-class expedited-forwarding; }

Juniper EX, Associate (JNCIA-EX) Set 2

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Juniper EX, Associate (JNCIA-EX) Set 2

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