What are two fiber-optic connector types? (Choose two.)
ALC
BRJ-45
CSC
DBNC
Which two characteristics apply to TCP? (Choose two.)
ATCP guarantees fixed latency for application flows.
BTCP broadcasts datagrams by default on Ethernet.
CTCP uses a three-way handshake to establish a connection.
DTCP provides reliable, ordered delivery using sequence numbers.
You asked a network engineer to configure a new logical interface on a Juniper router. The interface must use the fourth usable host address from the 172.16.40.128/29 subnet.
Which IP address is correct in this scenario?
A172.16.40.135
B172.16.40.132
C172.16.40.130
D172.16.40.131
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Click the Exhibit button.
Which statement is correct when Router R1 receives a packet from User A destined for User В as shown in the exhibit?
ARouter R1 replaces the destination IP address in the packet with the IP address of Router R2.
BRouter R1 leaves the packet unchanged.
CRouter R1 replaces the destination MAC address in the packet with the MAC address of Router R2.
DRouter R1 replaces the destination MAC address in the packet with the MAC address of User B.
You are asked to subnet the broadcast domains but need to support 50 hosts.
In this scenario, which subnet mask would satisfy this requirement?
A/26
B/27
C/28
D/29
Which IPv4 address and subnet mask combination represents a point-to-point link with only two usable host addresses?
A192.168.1.0/30
B192.168.1.0/29
C192.168.1.0/24
D192.168.1.0/28
What is the maximum number of IP addresses that would be assigned to hosts in the 192.168.1.0/24 network?
A24
B32
C128
D254
What are two characteristics of IPv6 addressing? (Choose two.)
AThe IPv6 address is represented by a 128-bit address
BThe IPv6 header automatically includes a checksum.
CIPv6 uses ARP to discover neighboring devices.
DIPv6 addresses that begin with fe80 are not routable.
How are the Routing Engine and the Packet Forwarding Engine components connected?
AThey use shared memory access.
BThey use external breakout cables.
CThey use an MPLS connection.
DThey use an internal Ethernet link.
Which two statements are correct about Junos OS? (Choose two.)
AJunos OS provides the ability to run unsigned third-party binaries.
BJunos OS provides modularization of software processes.
CJunos OS combines security and routing policies.
DJunos OS separates the control plane and the forwarding plane.
An administrator wants to set up a remote user authentication service for the many users that access a Juniper security device.
In this scenario, what are two supported authentication protocols? (Choose two.)
ARADIUS
BTACACS+
CSHA
DIPsec
Which two statements are examples of exception traffic? (Choose two.)
AAn IP packet with the Router Alert option set in the IP options field.
BSSH traffic to the local Junos OS device.
CAn IP packet that has the IP precedence CoS bits of 111 in the ToS field.
DSSH traffic to a remote server on the Internet.
You power on a new MX Series router for the first time and connect to the console. You notice that no transit interfaces are passing traffic.
In this scenario, which statement is correct?
AAll interfaces are enabled with DHCP client enabled.
BAll interfaces are enabled and have an IP address of 10.0.0.1.
CThe interfaces are configured as Layer 2 trunk ports.
DThe interfaces are not configured.
Which two characteristics describe Junos OS software? (Choose two.)
AJunos OS is a monolithic code base.
BJunos OS supports automation features.
CJunos OS runs only on routers.
DJunos OS uses a modular architecture with independent processes.
What are two characteristics of transit traffic in Junos OS? (Choose two.)
AIt includes routing protocol packets.
BIt is traffic destined for the Routing Engine.
CIt does not require control plane processing.
DIt is forwarded by the Packet Forwarding Engine.
What are two functions of the Routing Engine? (Choose two.)
AIt evaluates firewall filters for transit traffic.
BIt runs Junos OS.
CIt processes all management traffic.
DIt processes transit traffic.
Which interface type prefix represents a 10-Gigabit Ethernet interface?
Age
Bxe
Cet
Dfe
A network administrator must set up the initial configuration of the out-of-band management interface on a new Juniper router to ensure management traffic is isolated from the default routing table (inet.0).
In this scenario, which configuration step is required to accomplish this task in Junos OS?
AConfigure an IP address on interface ge-0/0/0.0 and enable ethernet-switching family.
BConfigure the lo0.0 loopback interface with a management IP and apply it to the [edit system services] hierarchy.
CAssign an IP address to the me0.0 interface and set the routing-options to instance-type virtual-router.
DAssign an IP address to interface fxp0.0 or em0.0 and use the command set system management-instance to enable the management routing instance.
Which two functions are performed by the PFE? (Choose two.)
AIt processes exception traffic.
BIt forwards incoming traffic.
CIt creates the forwarding table.
DIt creates the routing table.
Which two statements correctly describe how Junos OS handles control and forwarding functions? (Choose two.)
AThe Packet Forwarding Engine (PFE) forwards packets based on forwarding tables received from the Routing Engine.
BException traffic is always dropped by the Packet Forwarding Engine without being inspected.
CTransit traffic is processed by the Routing Engine to ensure high-speed packet forwarding.
DThe Routing Engine (RE) is responsible for maintaining routing tables and running routing protocols.
Click the Exhibit button.
The MX204 has 12 built-in ports.
Referring to the exhibit, to which interface does the arrow point?
Aхе-0/2/7
Bхе-0/0/7
Cхе-0/1/7
Dхе-0/1/6
A security policy requires that a user account be created for auditing purposes. This user should only view configuration and operational data without making any changes.
Which predefined login class would satisfy this requirement?
Aoperator
Bunauthorized
Cread-only
Dsuper-user
When troubleshooting a problem, you issue the following commands in sequence:
show chassis alarms
show chassis fpc
show chassis fpc detail
show chassis errors fpc-slot 0
In this scenario, what happens when you press the up arrow key twice at the prompt?
AThe show chassis fpc command is displayed at the prompt.
BThe show chassis errors fpc-slot 0 command is displayed at the prompt.
CThe show chassis alarms command is displayed at the prompt.
DThe show chassis fpc detail command is displayed at the prompt.