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Nokia 4A0-100 Dumps

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Nokia
Nokia Scalable IP Networks
Nokia
Nokia Scalable IP Networks

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Questions & Answers for Nokia 4A0-100

Showing 1-15 of 225 Questions

Question #1 - Topic 1

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. The address can only be used as a loopback address.

C. This specifies a single host address.

D. A /31 prefix is not supported on the SR and ESS platform.

Question #2 - Topic 1

What bit pattern identifies the network address in the subnet mask?

A. A string of 1s

B. A string of 0s

C. A string of alternating 10s

D. There is no specific bit pattern to identify the network address.

Question #3 - Topic 1

A 24 port Ethernet switch is configured with VLAN 100 on ports 1 - 8, VLAN 200 on ports 9
- 16 and VLAN 300 on ports 17 - 24. Which of the following describes the behavior of the
switch when a broadcast frame is received on port 1?

A. The switch will discard the broadcast frame because there is no specific destination address.

B. The switch will flood the broadcast frame on all ports on which the switch has seen frames from attached devices

C. The switch will flood the broadcast frame on ports 2 to 8.

D. The switch will flood the broadcast frame on all 24 ports.

Question #4 - Topic 1

At what stage in the packet forwarding process,is the IP packet header examined?

A. When the router first receives a frame from a LAN.

B. After the forwarding table is checked.

C. After the IP datagram is extracted from the L2 frame.

D. Immediately before the IP packet is encapsulated for transmission.

Question #5 - Topic 1

What ICMP message type will a router use to indicate to a host that an IP datagram
sourced from that host cannot be delivered?

A. Echo Request.

B. Destination Unreachable.

C. Router redirect.

D. Echo Reply.

Question #6 - Topic 1

Which of the following statements is TRUE of Layer 3 addressing?

A. Internet devices on the same network can have the same Layer 3 address in different broadcast domains.

B. Every Host device must have a unique Layer 3 address in order to access the Internet.

C. Internet devices need unique Layer 3 addresses to communicate directly with upper layers.

D. A router must have only one address to allow it to be uniquely identified.

Question #7 - Topic 1

To transmit its segments of data across the network TCP uses the services of which layer?

A. Application Layer.

B. Transport Layer.

C. IP Layer.

D. Data Link Layer

Question #8 - Topic 1

What is the name for an organization that provides Internet services to its customers?

A. A large corporation.

B. An ISP.

C. A home based business.

D. A content provider.

Question #9 - Topic 1

Which of the following is a feature of a VLAN?

A. A VLAN allows multiple Ethernet switches to be connected in a single broadcast domain.

B. A VLAN allows multiple Ethernet switches to be connected in a single collision domain.

C. A VLAN can separate ports on the same switch into different broadcast domains.

D. A VLAN can separate ports on the same switch into different collision domains.

Question #10 - Topic 1

Which of the following statements is TRUE about ICMP?

A. An IP datagram is encapsulated within an ICMP header.

B. ICMP messages can only be generated by routers.

C. ICMP messages are encapsulated within an IP datagram.

D. ICMP guarantees delivery of a message.

Question #11 - Topic 1

The method by which Ethernet frames are associated to a specific VLAN is referred to as:

A. Segmenting

B. Stacking

C. Routing

D. Tagging

Question #12 - Topic 1

A typical Alcatel-Lucent 7750 SR Media Dependent Adapter (MDA) interfaces with:

A. A Small Form-Factor Pluggable (SFP) module.

B. The Central Processing Unit (CPU).

C. The Control Plane.

D. The Switch Fabric.

Question #13 - Topic 1

If a 4-port LAG is configured with the option of 'port-threshold 2' and 'action down' what will
happen if the total operational links in the LAG is 2?

A. If dynamic-cost is enabled it will adjust the cost for routing protocols such as OSPF.

B. If dynamic-cost is not enabled it will adjust the cost for routing protocols such as OSPF by dividing the link bandwidth by 2.

C. The LAG will be changed to an operational state of 'down'.

D. The LAG will function with only 2 ports. There will be no change to the routing metric.

Question #14 - Topic 1

Which Ethernet frame field does the receiver use to verify the integrity of the received bits?

A. Destination address

B. Frame check sequence

C. Preamble

D. Length field

Question #15 - Topic 1

Whichof the following is the best description of well known ports?

A. Well known ports apply to routers only and are used for communication and control traffic. Well known port numbers are assigned by IANA and can have any value.

B. Well known ports are used by TCP and UDP. Well known port numbers range from 1024 to 65535 and are assigned by IANA.

C. Well known port numbers are used by both TCP and UDP. Well known port numbers range from 1 to 1023 and are assigned by IANA.

D. Well known ports numbers are used by TCP only. Well known port numbers are assigned by IANA and can have any value.

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