Real Exam Questions 4A0-100 Dumps Exam Questions in here [Aug-2021]
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NEW QUESTION 22
A CE device has a physical connection to which device in the service providers MPLS network?
- A. CE always connects to a PE router.
- B. CE always connects to a P router.
- C. CE always connects to another CE device.
- D. The CE does not connect to the service provider network.
Answer: A
NEW QUESTION 23
Which of the following are important to consider when designing IPv4 subnets? (Choose 3)
- A. The number of subnetworks currently required.
- B. The number of hosts each subnetwork will support.
- C. Future network growth requirements.
- D. The class of the IP address assigned to an organization.
- E. The version of the Ethernet used by each segment.
Answer: A,B,C
Explanation:
Section: Volume B
NEW QUESTION 24
Which three of the following are important considerations when designing subnets? (Choose three.)
- A. Number of hosts each subnetwork will support.
- B. Class of the network address to be used for the network.
- C. Type of physical connectivity used by each segment.
- D. Future network growth requirements.
- E. Number of subnetworks currently required.
Answer: A,D,E
NEW QUESTION 25
The 201.148.26.0/24 network is subnetted using a /26 mask. How many subnets and host addresses will you obtain with this mask?
- A. 64 subnets, 4 hosts
- B. 4 subnets, 62 hosts
- C. 6 subnets, 30 hosts
- D. 4 subnets, 64 hosts
- E. 64 subnets, 2 hosts
Answer: B
NEW QUESTION 26
What problems was Spanning Tree Protocol (STP) primarily designed to solve? (Choose two):
- A. Preventing loops.
- B. Allowing flooding of multicast traffic.
- C. Handling collisions.
- D. Providing path redundancy.
Answer: A,C
NEW QUESTION 27
In what type of network is a broadcast storm likely to occur?
- A. An Ethernet network with redundant paths not running STP.
- B. All of the above.
- C. A SONET network.
- D. An ATM network.
Answer: A
Explanation:
Section: Volume A
NEW QUESTION 28
What is the main purpose of IP fragmentation?
- A. To limit the number of the IP addresses in the network.
- B. To reduce the number of resources required to send a large frame over the network.
- C. To improve the efficiency of transmissions over the network.
- D. To allow IP datagrams to be carried over Layer 2 networks with varying MTU sizes.
Answer: D
NEW QUESTION 29
What next-hop should be used on CR1 to configure a default route to router R1?
- A. 10.2.3.1
- B. 10.1.1.1
- C. 10.2.3.2
- D. 192.168.2.0
Answer: C
NEW QUESTION 30
What characteristic of IP addressing creates a hierarchical network?
- A. Router, switch and host addresses are drawn from unique address classes.
- B. IP addresses identify a host and the network on which it resides.
- C. Clients are assigned 32-bit addresses and servers 64-bit addresses.
- D. All hosts on all networks must have unique host numbers.
Answer: B
NEW QUESTION 31
What happens immediately after an Ethernet switch receives an Ethernet frame?
- A. It records the destination MAC address and the interface on which it arrived.
- B. It records the source MAC address and the interface on which it arrived.
- C. It transmits the frame out of the appropriate interface.
- D. It floods the frame out of all its interfaces except the interface on which the frame arrived.
Answer: B
NEW QUESTION 32
Which of the following is a characteristic of a subnet created with a /31 prefix?
- A. There is no broadcast address on the network.
- B. A /31 prefix is not supported on the SR and ESS platform.
- C. The address can only be used as a loopback address.
- D. This specifies a single host address.
Answer: A
NEW QUESTION 33
What is the sequence of messages sent by a host when it attempts to ping a destination for which it has no
Address Resolution Protocol (ARP) cache entry?
- A. ICMP echo request, ARP request, ARP reply, ICMP echo reply.
- B. ICMP echo request, ICMP echo reply, ARP request, ARP reply.
- C. ARP request, ARP reply, ICMP echo request, ICMP echo reply.
- D. ICMP echo request, ARP reply, ARP request, ICMP echo reply.
Answer: C
NEW QUESTION 34
What type of VPN service does a VPRN provide?
- A. Layer 2 point-to-point service
- B. Layer 2 multipoint service
- C. Layer 3 direct internet access service
- D. Layer 3 IP routed service
Answer: D
NEW QUESTION 35
On a Nokia 7750 SR, which of the following event log destinations is used to store an event log to the compact flash?
- A. CLI
- B. Memory
- C. Console
- D. File
Answer: D
NEW QUESTION 36
Choose two true statements that characterize Link State Routing
- A. Routers flood link information throughout the entire area.
- B. Routers do not have precise knowledge of the entire network topology.
- C. Network converges quickly (within several seconds) after a topology change.
- D. Routers send a copy of their routing table to their neighbors periodically.
Answer: A,C
NEW QUESTION 37
Which of the following are protocols belonging to the OSI suite of protocols? (Choose two)
- A. X.500
- B. Ethernet
- C. IS-IS
- D. OSPF
- E. BGP
Answer: B,C
NEW QUESTION 38
Which of the following statements about IP filters on a Nokia 7750 SR is FALSE?
- A. The default action of an IP filter is to forward packets.
- B. IP filters can be created to filter based on IP and MAC addressing.
- C. By default, no IP filter is applied to an interface.
- D. IP filters can be applied on inbound traffic, outbound traffic, or both.
Answer: A
NEW QUESTION 39
What are the tasks of the Routing Table Manager (RTM)? Choose two
- A. RTM selects the best route from among multiple routing protocols.
- B. RTM installs its best route in the routing table.
- C. RTM selects the best route using the metric as criteria
- D. RTM sends its best route to all its directly connected neighbors.
Answer: A,B
Explanation:
Section: Volume B
NEW QUESTION 40
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