Free Nokia Scalable IP Networks 4A0-100 Exam Practice Test

Which of the following shows a typical data packet flow when ingressing a Nokia 7750 SR?

• SFP -> IOM -> MDA -> SF/CPM
• SFP-> MDA-> IOM -> SF/CPM
• SFP -> SF/CPM -> MDA -> IOM
• IOM -> MDA -> SF/CPM -> SFP

If a customer requires a point-to-point layer 2 VPN service between two locations which VPN service would be typically suited for this customer?

• Virtual Private Wire Service .
• Virtual Private LAN Service.
• Virtual Private Routed Networks.
• Virtual Private Dark Fiber Service.

Given a network address of 116.14.0.0, which of the following is a valid host address when using the subnet mask 255.255.255.240?

• 116.14.17.16
• 116.14.17.31
• 116.14.17.192
• 116.14.17.189

Which of the following is a characteristic of Link State protocols?

• Routers send a copy of their entire routing table to their neighbors.
• Routers send frequent periodic updates to the entire network.
• Routers know the entire network topology.
• Routers use hop-count to calculate their routing tables.

What is the purpose of TCP flow control?

• It restricts the sender from sending too much data when there is congestion in the network.
• It allows the receiver to control the rate at which the sender transmits data.
• It forces the sender to send only one segment at a time.
• It allows the receiver to drop segments without the sender having to retransmit.

Which of the following is NOT a field in a TCP header?

• Source port.
• MTU.
• Sequence number.
• Acknowledgement number.
• Window size.

Which of the following is a private IP network address reserved by the IANA?

• 172.30.0.0/16
• 192.100.0.0/24
• 172.0.0.0/16
• 169.254.0.0/16
• 11.0.0.0/8

Who was responsible for developing and publishing the original standard that was used for 10 Mbit/s Ethernet?

• Intel Corporation.
• Digital Equipment Corporation.
• DEC-Intel-Xerox.
• Apple Computer.
• IBM.

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?

• 2 subnets, 1022 hosts
• 4 subnets, 510 hosts
• 2 subnets, 2048 hosts
• 4 subnets, 512 hosts

What problem was Spanning Tree Protocol (STP) primarily designed to solve?

• Broadcast storms caused by redundancy in Layer 2 networks.
• Missing protocol field in the Ethernet header.
• Missing sequence number in the Ethernet header.
• Unreliable data transfer in Layer 2 networks.