[Sep 11, 2025] 4A0-100 Test Prep Training Practice Exam Questions Practice Tests
Exam Questions Answers Braindumps 4A0-100 Exam Dumps PDF Questions
NEW QUESTION # 79
What next-hop should be used on CR1 to configure a default route to router R1?
- A. 10.2.3.1
- B. 10.2.3.2
- C. 10.1.1.1
- D. 192.168.2.0
Answer: B
NEW QUESTION # 80
Which of the following best describes a hub?
- A. A device that receives and forwards data based on the Layer 3 destination address.
- B. A device that receives and replicates data without Layer 2 header inspection.
- C. A device that receives and forwards data based on the MAC destination address.
- D. A device used to connect cables with signal amplification.
Answer: B
Explanation:
Section: Volume B
NEW QUESTION # 81
Multiple SAPs may be defined on the same physical port and may be used for different services.
- A. True
- B. False
Answer: A
Explanation:
Section: Volume B
NEW QUESTION # 82 
Based on the network diagram (click the Exhibit Button), what are the prefix, mask, and next-hop used on CR1 to setup a default static route to R1?
- A. 10.2.3.2/32 next-hop 0.0.0.0/0
- B. 0.0.0.0/0 next-hop 192.168.2.0
- C. 0.0.0.0/32 next-hop 10.2.3.2
- D. 0.0.0.0/0 next-hop 10.2 3.2
Answer: D
NEW QUESTION # 83
What distance is supported using CAT-5 cabling for 10/100/1000 TX?
- A. 100 m.
- B. 500 m.
- C. 10 Km.
- D. 1 Km.
Answer: A
NEW QUESTION # 84
Which of the following is used for the auto completion of CLI commands in a Nokia 7750 SR?
- A. Type the first few letters of the command, then type ?.
- B. Type the first few letters of the command, then press Tab.
- C. Type the first few letters of the command, then press Esc.
- D. Type the first few letters of the command, then press Ctrl C.
Answer: B
NEW QUESTION # 85
Network 201.148.104.0/21 is subnetted using a /23 mask. How many subnets and host addresses per subnet will be obtained with this mask?
- A. 4 subnets, 510 hosts
- B. 4 subnets, 512 hosts
- C. 2 subnets, 2048 hosts
- D. 2 subnets, 1022 hosts
Answer: D
Explanation:
Section: Volume B
NEW QUESTION # 86
What is the basic unit of framing in SDH and the bit rate for transmission?
- A. STM-1 with a bit rate of 51.84 Mbit/s.
- B. STM-1 with a bit rate of 1.544 Mbit/s.
- C. STM-1 with a bit rate of 155.52 Mbit/s.
- D. STM-1 with a bit rate of 2.048 Mbit/s.
Answer: C
NEW QUESTION # 87
Based on the network diagram (click on the exhibit), what is the command to use on R1 to setup a static
route to the network on CR1
- A. config router static-route 192.168.2.0/24 next-hop 10.2.3.2
- B. config router static-route 10.2.3.2 next-hop 192.168.2.0
- C. config router static-route 192.168.2.0/24 next-hop 10.2.3.1
- D. config router static-route 10.2.3.1 next-hop 192.168.2.0
Answer: C
NEW QUESTION # 88
Which transport protocol and port number is used by BGP to establish and maintain a peering session with
other BGP speakers?
- A. UDP port 22.
- B. TCP port 22.
- C. TCP port 179.
- D. UDP port 179.
Answer: C
NEW QUESTION # 89
Given the associated prefix value, which of the following is a valid host address?
- A. 172.16.224.255/18
- B. 255.255.255.255/32
- C. 224.1.2.1/8
- D. 192.168.24.59/30
Answer: A
NEW QUESTION # 90
What is the preference value in the routing table used for?
- A. It differentiates between multiple routes to a destination learned by different routing protocols.
- B. It indicates the preferred egress interface.
- C. It differentiates between multiple routes to a destination learned by the same protocol.
- D. It is used to differentiate local routes from remote routes.
Answer: A
NEW QUESTION # 91
Which of the following statements about a physical router interface is FALSE?
- A. It is associated with a port.
- B. It is used to connect to other routers or to customer hosts.
- C. It can be of type system or loopback.
- D. It can be associated with an IP address and with a prefix length.
Answer: C
Explanation:
In Nokia SR OS:
* Aphysical interfacerefers to a physical port on the router (e.g., port 1/1/1).
* It can be configured withIP addresses, associated with services (e.g., IES, VPRN), and connects to other routers or customer devices.
* Systemandloopbackinterfaces arelogical interfaces, not physical.
* Option D is FALSE, because a physical interfacecannotbe of type "system" or "loopback" - those are virtual/logicalinterfaces in the Nokia router architecture.
Reference:
Nokia SRA Study Guide - Chapter: "Interfaces and Ports"
Nokia SR OS Interface Configuration Guide
NEW QUESTION # 92
Which statement best describes how the internet evolved?
- A. The internet remained primarily a research based network and was only commercially adopted in 2000 when the world wide web was conceived.
- B. The internet evolved from a military to a research to a commercial based network.
- C. The internet emerged in the commercial world in the 1980s following the US militarys adoption of TCP/IP in 1983.
- D. Internet service providers provided the services necessary for military based networks to evolve into research and education based networks.
Answer: B
NEW QUESTION # 93
A typical Alcatel-Lucent 7750 SR Media Dependent Adapter (MDA) interfaces with:
- A. The Central Processing Unit (CPU).
- B. The Control Plane.
- C. A Small Form-Factor Pluggable (SFP) module.
- D. The Switch Fabric.
Answer: C
Explanation:
Section: Volume A
NEW QUESTION # 94
Which of the following egress interfaces is used to forward a packet with destination IP address 140.10.0.110?
- A. Interface "toP2"
- B. System interface
- C. Interface "toP1"
- D. Interface "toC1"
Answer: C
Explanation:
Section: Volume B
NEW QUESTION # 95
What is NOT a function of the IOM?
- A. It performs Quality of Service operations and buffers incoming data.
- B. It forwards the data to the switch fabric.
- C. It discards excess data packets.
- D. It converts the incoming data to an internal format.
Answer: D
NEW QUESTION # 96
Based on the network diagram (click the Exhibit Button).
R2 wants to connect a host on 192.168.2.0/24 behind CR1. What is the correct next-hop to use, assuming R1 is configured correctly?
- A. 10.1.1.1
- B. 10.2.3.1
- C. 10.1.1.2
- D. 10.2.3.2
Answer: A
NEW QUESTION # 97
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