Nokia NRS 1 revision
1. Which of the following best describes a repeater?
A. A passive device simply used to connect two or more cables. Does not generate or amplify any signals.
B. A device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the data.
C. A 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. A device that receives a signal and based on the Layer 3 destination ad- dress, makes a decision on which ports
the signal should be retransmitted.: A. A passive device simply used to connect two or more cables. Does not generate
or amplify any signals.
2. 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.: A. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical
separation of traffic.
3. Which of the following is a feature of Layer 3?
A. Provides an universal addressing scheme
B. Ensures data is delivered across the Layer 2 network.
C. Provides reliable data transfers.
D. Provides a physical interface to the network.: A. Provides an universal ad- dressing scheme
4. 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: C. 4 subnets, 62 hosts
5. What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?
A. Details of the configuration settings of each router on the network.
, Nokia NRS 1 revision
B. A list of other DHCP clients.
C. IP addresses and their lease times.
D. Server time information: C. IP addresses and their lease times.
6. 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.: B. Routers flood link information
throughout the entire area.
C. Network converges quickly (within several seconds) after a topology change.
7. 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 be- tween 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 applica- tion layer such as JPEG or
HTML.: A. The primary purpose of TCP is to provide reliable communications between application services
8. Which of 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.: 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.
9. Kahn solved the problem of interconnecting different networks using differ- ent protocols by pioneering a new
protocol called TCP that was capable of:
A. Secure transmission of information.
B. Enforcing a constant packet size to avoid discards.
C. Allowing remote logins.
, Nokia NRS 1 revision
D. Providing host to host connectivity with global addressing.: D. Providing host to host connectivity with global
addressing.
10.Which organization eventually became the standards body for IP and related protocols?
A. IEEE
B. IETF
C. NSFNET
D. ITU-T
E. APNIC: B. IETF
11.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.: B. An ISP.
12.The IANA is responsible for:
A. Intra-city ISP traffic
B. Allocation of the global IP address space
C. Allocating IP addresses for residential customer traffic
D. Allocating North American IP addresses: B. Allocation of the global IP address space
13.Which of the following is an important advantage of protocol layering? (Choose two)
A. Controls distribution of IP addresses.
B. Simplifies protocol functionality.
C. Isolates changes in lower layers from upper layers.
D. Increases protocol operational efficiencies.
E. Layering adds to the fragmentation of the data: C. Isolates changes in lower layers from upper layers.
D. Increases protocol operational efficiencies.
14.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: C. IP Layer.
15.Which of the following are protocols belonging to the OSI suite of proto- cols? (Choose two)
A. OSPF
, Nokia NRS 1 revision
B. BGP
C. X.500
D. IS-IS
E. Ethernet: C. X.500
D. IS-IS
16.Which of the following statements is TRUE regarding the development of the OSI Reference Model?
A. OSI was developed as an alternative, open standard to IBMs SNA model.
B. OSI protocols were no longer used after TCP/IP was developed.
C. OSI model is much simpler than TCP/IP.
D. OSI model is maintained exclusively by the IETF.: A. OSI was developed as an alternative, open standard to
IBMs SNA model.
17.The TCP/IP and OSI models of protocol are similar in that they both have:
A. An application and session layer.
B. A network layer that provides a universal and consistent forwarding ser- vice.
C. A transport layer with two protocols.
D. An applications services layer with similar layering and service definitions.-
C. A transport layer with two protocols.
18.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: B. 2
19.Which of the following is not supported on the Nokia 7450 ESS?
A. Support for IPv6.
B. Support for POS.
C. Upgrade path to the Nokia 7750 SR.
D. Support for IS-IS: C. Upgrade path to the Nokia 7750 SR.
20.The TiMOS-m.n.Y.Z software image file is software that:
A. Contains all the components required to configure and run protocols on the Nokia 7750 SR/7450 ESS.
B. Loads the router configuration.
C. Transfers the router configuration from the router to the network manage- ment system.
1. Which of the following best describes a repeater?
A. A passive device simply used to connect two or more cables. Does not generate or amplify any signals.
B. A device that receives and retransmits a signal out its ports, but does not do any Layer 2 analysis of the data.
C. A 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. A device that receives a signal and based on the Layer 3 destination ad- dress, makes a decision on which ports
the signal should be retransmitted.: A. A passive device simply used to connect two or more cables. Does not generate
or amplify any signals.
2. 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.: A. ATM and Frame-Relay are circuit switched protocols and use Virtual Circuits to create logical
separation of traffic.
3. Which of the following is a feature of Layer 3?
A. Provides an universal addressing scheme
B. Ensures data is delivered across the Layer 2 network.
C. Provides reliable data transfers.
D. Provides a physical interface to the network.: A. Provides an universal ad- dressing scheme
4. 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: C. 4 subnets, 62 hosts
5. What kind of information can a Dynamic Host Configuration Protocol (DHCP) client receive?
A. Details of the configuration settings of each router on the network.
, Nokia NRS 1 revision
B. A list of other DHCP clients.
C. IP addresses and their lease times.
D. Server time information: C. IP addresses and their lease times.
6. 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.: B. Routers flood link information
throughout the entire area.
C. Network converges quickly (within several seconds) after a topology change.
7. 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 be- tween 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 applica- tion layer such as JPEG or
HTML.: A. The primary purpose of TCP is to provide reliable communications between application services
8. Which of 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.: 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.
9. Kahn solved the problem of interconnecting different networks using differ- ent protocols by pioneering a new
protocol called TCP that was capable of:
A. Secure transmission of information.
B. Enforcing a constant packet size to avoid discards.
C. Allowing remote logins.
, Nokia NRS 1 revision
D. Providing host to host connectivity with global addressing.: D. Providing host to host connectivity with global
addressing.
10.Which organization eventually became the standards body for IP and related protocols?
A. IEEE
B. IETF
C. NSFNET
D. ITU-T
E. APNIC: B. IETF
11.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.: B. An ISP.
12.The IANA is responsible for:
A. Intra-city ISP traffic
B. Allocation of the global IP address space
C. Allocating IP addresses for residential customer traffic
D. Allocating North American IP addresses: B. Allocation of the global IP address space
13.Which of the following is an important advantage of protocol layering? (Choose two)
A. Controls distribution of IP addresses.
B. Simplifies protocol functionality.
C. Isolates changes in lower layers from upper layers.
D. Increases protocol operational efficiencies.
E. Layering adds to the fragmentation of the data: C. Isolates changes in lower layers from upper layers.
D. Increases protocol operational efficiencies.
14.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: C. IP Layer.
15.Which of the following are protocols belonging to the OSI suite of proto- cols? (Choose two)
A. OSPF
, Nokia NRS 1 revision
B. BGP
C. X.500
D. IS-IS
E. Ethernet: C. X.500
D. IS-IS
16.Which of the following statements is TRUE regarding the development of the OSI Reference Model?
A. OSI was developed as an alternative, open standard to IBMs SNA model.
B. OSI protocols were no longer used after TCP/IP was developed.
C. OSI model is much simpler than TCP/IP.
D. OSI model is maintained exclusively by the IETF.: A. OSI was developed as an alternative, open standard to
IBMs SNA model.
17.The TCP/IP and OSI models of protocol are similar in that they both have:
A. An application and session layer.
B. A network layer that provides a universal and consistent forwarding ser- vice.
C. A transport layer with two protocols.
D. An applications services layer with similar layering and service definitions.-
C. A transport layer with two protocols.
18.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: B. 2
19.Which of the following is not supported on the Nokia 7450 ESS?
A. Support for IPv6.
B. Support for POS.
C. Upgrade path to the Nokia 7750 SR.
D. Support for IS-IS: C. Upgrade path to the Nokia 7750 SR.
20.The TiMOS-m.n.Y.Z software image file is software that:
A. Contains all the components required to configure and run protocols on the Nokia 7750 SR/7450 ESS.
B. Loads the router configuration.
C. Transfers the router configuration from the router to the network manage- ment system.
