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2021 Oct JN0-102 free exam questions
Q1. Which statement is true about the forwarding plane?
A. It uses ASICs for increased performance.
B. It is the intelligence of the platform.
C. It maintains the routing tables.
D. It is based on an x86 architecture.
Answer: A
Q2. -- Exhibit --
interfaces {
ge-0/0/8 {
unit 0 {
family inet {
address 192.168.1.1/24;
}
}
}
ge-0/0/9 {
unit 0 {
family inet {
address 192.168.10.1/24;
}
}
}
}
-- Exhibit --
Referring to the exhibit, which command would you use to add an additional address to the ge-0/0/9.0 interface?
A. [edit interfaces ge-0/0/9 unit 0]
user@router# set family inet address /24
B. [edit interfaces ge-0/0/9 unit 0]
user@router# set family inet secondary-address /24
C. [edit interfaces ge-0/0/9 unit 0]
user@router# set family inet address /24 secondary
D. [edit interfaces ge-0/0/9 unit 0]
user@router# set family inet address-secondary /24
Answer: A
Q3. What information is used by a switch to forward an Ethernet frame to its destination?
A. IP address
B. destination MAC address
C. ARP table entry
D. FCS checksum
Answer: B
Q4. Which two statements are true about optical networks? (Choose two.)
A. SONET and SDH both use time-division multiplexing.
B. An optical transport network system uses time-division multiplexing.
C. SONET and SDH both use wavelength-division multiplexing.
D. An optical transport network system uses wavelength-division multiplexing.
Answer: A,D
Q5. How does the PFE handle unicast transit traffic destined for an existing forwarding table entry?
A. It sends the traffic through one egress port toward its destination.
B. It sends the traffic through multiple egress ports to all available receivers.
C. It sends the traffic through an internal link to the RE.
D. It sends the traffic to the local system for further processing.
Answer: A
Avant-garde JN0-102 exam cost:
Q6. Which statement is true about the routing table?
A. The routing table exists in the control plane only.
B. The routing table exists in the control plane and in the forwarding plane.
C. The routing table contains both active and inactive routes.
D. The routing table is stored on compact flash.
Answer: A
Q7. Which network mask is the equivalent of 255.255.248.0?
A. /20
B. /21
C. /22
D. /23
Answer: B
Q8. Which configuration parameter on a Junos device alters the default next-hop resolution behavior of a static route?
A. no-readvertise
B. resolve
C. preference
D. passive
Answer: B
Q9. Which two statements are true regarding rescue configurations? (Choose two.)
A. Once saved, a rescue configuration is loaded using the rollback 0 command.
B. The rescue configuration must contain the minimal elements necessary to restore network connectivity.
C. A minimal rescue configuration is defined by default.
D. A rescue configuration must include a root password.
Answer: B,D
Q10. Which statement describes exception traffic?
A. Exception traffic must be sent to the PFE for processing.
B. Exception traffic enters one ingress port and is sent out multiple egress ports.
C. Exception traffic is rate-limited on the internal link to prevent DoS attacks.
D. Exception traffic is processed after forwarding traffic when congestion exists.
Answer: C