Free Nokia 4A0-100 Sample Questions — Nokia Scalable IP Networks

Which of the following best describes a repeater?

• A. passive device simply used to connect two or more cables. Does not generate or amplify any signals
• B. device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the data
• C. device that receives a signal and based on the Layer 2 destination address, makes a decision on which ports the signal should be retransmitted
• D. device that receives a signal and based on the Layer 3 destination address, makes a decision on which ports the signal should be retransmitted

A network administrator is creating a subnet plan for the address 172.16.0.0/16. The network must support 459 hosts on each subnet while providing the maximum number of subnets. What subnet mask should be used?

• A. 255.255.0.0
• B. 255.255.128.0
• C. 255.255.224.0
• D. 255.255.254.0

A network with address 208.40.224.0/24 is divided into /28 subnets. What is the host address range of the fourth subnetwork?

• A. 208.40.224.17 "" 208.40.224.30
• B. 208.40.224.33 "" 208.40.224.46
• C. 208.40.224.49 "" 208.40.224.62
• D. 208.40.224.65 "" 208.40.224.78

Choose two true statements that characterize Link State Routing

• A. Routers send a copy of their routing table to their neighbors periodically
• B. Routers flood link information throughout the entire area
• C. Network converges quickly (within several seconds) after a topology change
• D. Routers do not have precise knowledge of the entire network topology

Which statement accurately explains the purpose of the TCP protocol and what it provides?

• A. The primary purpose of TCP is to provide reliable communications between application services
• B. The primary purpose of TCP is to provide unreliable communications between application services
• C. The primary purpose of TCP is to provide IP routing between application services
• D. The primary purpose of TCP is to define the correct format for the application layer such as JPEG or HTML

How many of the front access card slots of the Nokia 7750 SR-12 router are dedicated for redundant common equipment?

• A. 1
• B. 2
• C. 7
• D. 10

When entering a command on the Nokia 7750 SR from the Command Line Interface (CLI), what would you use to list all the options for the command?

• A. ?
• B. tab character
• C. space character
• D. info

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. 4 subnets, 64 hosts
• B. 64 subnets, 4 hosts
• C. 4 subnets, 62 hosts
• D. 64 subnets, 2 hosts
• E. 6 subnets, 30 hosts

How do protocols such as ATM and Frame-Relay support differentiating multiple customers or traffic types on the same physical wire?

• A. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical separation of traffic
• B. ATM and Frame-Relay are point-to-point protocols and do not support different customers or traffic type on the same physical wire
• C. ATM and Frame-Relay are circuit switched protocols and use VLAN's to create logical separation of traffic
• D. ATM and Frame-Relay are circuit switched protocols and use IP Header information to create logical separation of traffic

Which of the following describes the Nokia 7750 SR Input/Output Module (IOM)?

• A. Small optical module available in a variety of formats
• B. Contains a CPU for managing the forwarding hardware in each flexible fast path
• C. Converts traffic from an external standard format to an internal format
• D. Contains the CPU that runs the routing protocol software as well as the switch fabric