Juniper EX, Associate (JNCIA-EX) Set 1

STP ✘ PVST ✘ MSTP ✘ RSTP ✔

The interface must be configured as a Layer 3 interface with an assigned IP address. ✘ The interface cannot be configured as a Layer 2 trunk. ✘ The gratuitous-ARP-reply must be disabled on the interface. ✘ Spanning Tree Protocol (STP) cannot be configured on the interface. ✔

purging ✘ flushing ✘ refreshing ✘ aging ✔

The destination MAC address determines which lookup table is used. ✘ The Routing Engine is consulted when processing both transit and host packets. ✘ Transit packets are processed by the Routing Engine. ✘ Routing protocol control packets are processed only by the Packet Forwarding Engine. ✔

backup switch ✘ line card ✘ master switch ✘ virtual switch ✔

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

Only HTTP can be used to access J-Web. ✘ J-Web access uses the same authentication method as the CLI. ✘ The web-management service is enabled in the factory-default configuration. ✘ J-Web access is available only through the me0 interface. ✔

It allows any one supplicant on the interface to be authenticated; once authentication is successful, only the successfully 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 allows any one supplicant on the interface to be authenticated; once authentication is successful, anyother devices on the same interface will gain access. ✘ It does not require any supplicant on the interface; no supplicant is able to gain access. ✔

EX 4200 switches support copper or fiber network ports, depending on the switch model. ✘ If the 2-port 10-Gigabit Ethernet uplink module is installed, the last two built-in network ports are not usable. ✘ EX 4200 switches support 12, 24, or 48 built-in network ports depending on the switch model. ✘ If the 4-port 1-Gigabit Ethernet uplink module is installed, the last four built-in network ports are not usable. ✔

If the 4-port 1-Gigabit Ethernet uplink module is installed, the last four built-in network ports are not usable. ✘ EX 3200 switches support 12, 24, or 48 built-in network ports depending on the switch model. ✘ If the 2-port 10-Gigabit Ethernet uplink module is installed, the last two built-in network ports are not usable. ✘ EX 3200 switches support copper or fiber network ports, depending on the switch model. ✔