JN0-400 Exam

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Exam : Juniper JN0-400
Title : EX, Associate (JNCIA-EX)


1. You are configuring the voice VLAN feature on an EX-series switch on interface ge-0/0/5.
Which configuration would you use?
A.ethernet-switching-options { voice-vlan { interface ge-0/0/5.0 { vlan voice-over-ip; forwarding-class expedited-forwarding; } }}
B.ethernet-switching-options { voip { interface ge-0/0/5.0 { member-vlan voice-over-ip; forwarding-class expedited-forwarding; } }}
C.ethernet-switching-options { voip { interface ge-0/0/5.0 { vlan voice-over-ip; forwarding-class expedited-forwarding; } }}
D.ethernet-switching-options { voice-vlan { interface ge-0/0/5.0 { member-vlan voice-over-ip; forwarding-class expedited-forwarding; } }}
Answer: C

2. Which two major components make up the control and forwarding planes for an EX-series switch? (Choose two.)
A.Routing Engine
B.Switching Engine
C.Switching Fabric Module
D.Packet Forwarding Engine
Answer: AD

3. Which two statements describe the EX 4200 switches? (Choose two.)
A.The fan tray used for the EX 4200 switches is not field replaceable.
B.The EX 4200 switches can be interconnected to form a single virtual chassis.
C.The EX 4200 switches support redundant load-sharing AC power supplies.
D.All EX 4200 switches support either partial or full Power over Ethernet (PoE) support.
Answer: BC

4. On an EX-series switch, what information is gathered when building a bridge table? (Choose two.)
A.interface
B.IP address
C.MAC address
D.authentication information
Answer: AC

5. Click the Exhibit button.
Why will the configurations in the exhibit fail to provide gateway redundancy between Switch-1 and Switch-2?
3 Switch-1:
interfaces {
ge-0/0/3 {
unit 0 {
family inet {
address 10.1.1.2/24 {
vrrp-group 100 {
virtual-address 10.1.1.1;
priority 110;
}
}
}
}
}
}
Switch-2:
interfaces {
vlan {
unit 100 {
family inet {
address 10.1.1.3/24 {
vrrp-group 200 {
virtual-address 10.1.1.1;
priority 90;
}
}
}
}
}
A.The IP addresses do not match.
B.The group numbers do not match.
C.The priority numbers do not match.
D.VRRP is not supported between a physical interface and a VLAN interface.
Answer: B

6. Within a virtual chassis, which type of switch maintains the forwarding table?
A.line card
B.master switch
C.routing switch
D.forwarding switch
Answer: B

7. Which two are included in the EZsetup configuration for EX-series switches? (Choose two.)
A.Configure syslog servers.
B.Configure routing protocols.
C.Configure root authentication.
D.Configure me0 management Ethernet port.
Answer: CD

8. Which two statements describe the EX 3200 switches? (Choose two.)
A.The single-blower fan tray used for the EX 3200 switches is field replaceable.
B.The EX 3200 switches can be interconnected to form a single virtual chassis.
C.The redundant AC power supply units on the EX 3200 switches are hot swappable and load sharing.
D.The EX 3200 switches support either 4-port 1-Gigabit Ethernet or 2-port 10-Gigabit Ethernet uplink modules.
Answer: AD