Nokia Certified Network Routing Specialist I (NRS I) Practice Test

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• What is the function of a router in a network?
• What is the primary function of the loopback interface?
• What does frame relay do in networking?
• What does the term "route summarization" refer to?
• What protocol replaced RIP as the main interior gateway protocol?
• What role does a firewall serve in a network?
• What is the main function of Link State Routing Protocols?
• What term describes the process of choosing the best path from multiple routes to the same destination?
• What is a key characteristic of link-state routing protocols?
• Which statement about the service label is FALSE?
• Which metric does EIGRP use for route selection?
• How many types of BGP sessions are there?
• Which feature allows different subnet masks for various subnets?
• Which of the following statements about a system IP address on a Nokia 7750 SR is FALSE?
• What is the primary purpose of IP routing protocols?
• Which of the following protocols is NOT used to build a routing table?
• What does VLAN stand for in networking?
• What is one of the main benefits of using OSPF in a network?
• When would static routes be preferred over dynamic routing protocols?
• What does LSA stand for in OSPF?
• What is one feature that OSPFv3 supports that OSPFv2 does not?
• What information is part of the encapsulation done at the network interface layer?
• Which Ethernet frame field is found in the Ethernet II frame header but NOT in the Ethernet 802.3 frame header?
• What is the purpose of a routing protocol’s hop limit?
• Which statement about static routing is TRUE?
• Which of the following is NOT a characteristic of a hub?
• What is TRUE about a CE router that is involved in a VPN service?
• What is the main function of a DHCP server?
• What is the function of an Area in OSPF?
• How many subnets can be created from network 138.120.140.0/22 if each subnet must support 126 hosts?
• Which protocol is designed to dynamically discover routers and build routing tables?
• Which of the following is a unicast address that is assigned to two or more devices on the same network?
• What is the primary purpose of BGP?
• What is load balancing in network routing?
• Which protocol is important for ensuring performance for time-sensitive data like audio or video?
• What is the role of the OSPF Hello protocol?
• What is the function of the BGP prefix list?
• What happens when a switch receives an Ethernet frame with an unknown source MAC address and a destination MAC address of ff:ff:ff:ff:ff:ff?
• What type of message is an ARP response?
• What role do routers play in a network?
• Which protocol type maintains a complete map of the network's topology?
• Which routing protocol primarily utilizes hop count as its metric?
• Which of the following is used to connect multiple broadcast domains?
• Which of the following is a characteristic of a P device?
• Which metric can help determine the most efficient path in a network?
• What is the primary purpose of Spanning Tree Protocol (STP)?
• What is neighbor discovery in networking?
• Which statement about a static route in a Nokia 7750 SR is FALSE?
• What kind of routing information does BGP primarily use?
• What is the administrative distance of EIGRP?
• What does the acronym MPLS stand for?
• Which of the following statements about SONET/SDH is FALSE?
• What does EIGRP stand for?
• What is the primary advantage of using ICMP?
• Which of the following is NOT a type of Layer 2 network?
• What type of routing decision does a Link State Routing Protocol facilitate?
• What role do route tags play in BGP?
• What best describes a "broadcast domain"?
• What is the purpose of a VLAN (Virtual Local Area Network)?
• What does subnetting refer to in networking?
• How frequently does RIP send its routing updates?
• Which of the following about hierarchical IPv4 addressing is FALSE?
• Which device adds MPLS labels to packets that enter a service provider network?
• What is a routing loop?
• How does a link-state protocol differ from a distance-vector protocol?
• What advantage does OSPF have over RIP in dynamic routing?
• Which of the following protocols is primarily responsible for dynamic routing?
• What is the role of a logical grouping of devices that can communicate as if on the same physical network?
• How is BGP classified in the context of routing protocols?
• What does the term 'link state' refer to in OSPF?
• Which of the following is NOT part of the IP forwarding process?
• What does the term ‘BGP Neighbor’ refer to?
• Which of the following is NOT a Regional Internet Registry?
• Which protocol is used for network management and monitoring?
• When configuring a static route on router R2, which next hop address should be used to reach a host on a 192.168.1.0/27 network?
• Which of the following best describes the significance of addressing in networking?
• What advantage does OSPF have over RIP in terms of routing?
• What is the maximum number of hops allowed in RIPv2?
• Which DHCP message is used by a client to inform a DHCP server that it accepts the assigned IP address?
• Which term describes the sharing of routes learned by one routing protocol with another?
• What is the primary function of link-state routing protocols?
• Which of the following devices performs a label swap operation?
• Which statement regarding VPLS is FALSE?
• How is static routing defined in networking?
• What is a characteristic of Distance Vector routing protocols?
• What is meant by "policy-based routing"?
• What does the acronym OSPF stand for?
• What does VLSM stand for?
• How is "administrative distance" defined in routing protocols?
• What command is used to display the routing table on a Cisco router?
• What information does the command 'show ip route' display?
• What is the purpose of OSPF Areas?
• Which of the following is NOT a type of routing protocol?
• What does PoE (Power over Ethernet) allow?
• What strategy can be employed to prevent routing loops aside from Split Horizon?
• What does the term "default gateway" refer to in networking?
• What is the primary benefit of using dynamic routing protocols?
• A network has an address of 206.47.132.0 and a network mask of 255.255.254.0. How many subnetworks can be created if each subnet must have at least 25 hosts?
• In networking, what are "collisions"?
• Which of the following about the routing table on an Nokia 7750 SR is FALSE?
• What characterizes an Intra-area route in OSPF?
• Which routing protocol uses hop count as a metric for path selection?
• In OSPF, what is the term for a router connecting multiple areas?
• What is the primary role of DHCP in a network?
• What is the purpose of a network prefix in routing?
• What key information does a Routing Table contain?
• What is "QoS Traffic Classification"?
• What is meant by the term "reliability" in regards to networking?
• Which TCP/IP layer is responsible for path determination and end-to-end forwarding of datagrams?
• What does Hold-Down timers prevent?
• In EIGRP, what factors contribute to the composite metric?
• Which address type is used to send frames to all devices in a Local Area Network?
• In BGP, what type of information does an AS exchange?
• What is the primary role of a Route Reflector in BGP?
• Which of these is an essential function of a routing protocol?
• Which of the following provides physical separation between service provider and customer responsibilities?
• What is the function of the BGP ‘AS Path’ attribute?
• Which of the following IP header fields is used to distinguish IPv4 from IPv6 traffic?
• When a packet reaches its TTL limit, what happens?
• An 8-port Ethernet switch is configured with VLAN 100 on ports 1-4 and VLAN 200 on ports 5-8. What happens when the switch receives a frame with an unknown destination address on port 1?
• What does VLSM stand for?
• What does the term 'metric' refer to in networking protocols?
• Which of the following shows a typical data packet flow when egressing a Nokia 7750 SR?
• What is the primary benefit of using Open Shortest Path First (OSPF) in a network?
• How does network segmentation improve performance?
• What is the main purpose of the Split Horizon rule in routing?
• What is the primary function of Split Horizon in routing?
• Which statement about the displayed IP filter on a Nokia 7750 SR is TRUE?
• Which of the following is a common application of IPv6?
• Which of the following displays a hierarchical CLI command structure at the current context level?
• In the context of BGP, what does AS represent?
• What does QoS stand for?
• Why is route aggregation considered important in routing?
• What defines a floating static route?
• Which are the two main types of routing protocols?
• Which packet type is crucial for maintaining neighbor relations in OSPF?
• What is dynamic routing?
• How does OSPF identify the most up-to-date routing information?
• What algorithm does OSPF use to calculate the shortest path in a network?
• Which of the following is not a recommended usage of the compact flashes on a Nokia 7750 SR?
• In which scenario is BGP preferred over OSPF for routing?
• Which of the following statements about VLAN stacking is FALSE?
• Which statement about VPWS is FALSE?
• What is the most specific aggregate prefix for the following 3 subnets?
• What is the function of the OSPF 'Hello' packet?
• Which of the following about an IP filter in a Nokia 7750 SR is FALSE?
• What does NAT stand for in networking?
• Which routing protocol is primarily used for routing between autonomous systems?
• Which of the following statements about autonomous systems is FALSE?
• Which routing protocol is characterized by link-state information exchange?
• How does a DHCP server impact network routing?
• What does the term 'Autonomous System (AS)' refer to?
• What is meant by the term "routing table"?
• Which of the following statements about BGP is FALSE?
• Which routing protocol is regarded as the successor to RIP?
• In the context of routing protocols, what is a 'Metric'?
• What is described as the physical or logical arrangement of nodes in a network?
• Which command is used for configuring OSPF on a router?
• Which statement about OSPF is TRUE?
• In which layer of the OSI model does routing primarily occur?
• What is the primary function of the OSPF Designated Router (DR) and Backup Designated Router (BDR)?
• What is the outcome of a higher administrative distance in routing?
• What primary function does the Routing Information Protocol (RIP) fulfill?
• In routing, what does the term 'convergence' refer to?
• Which protocol is used for sending control messages in an IP network?
• What does TTL stand for in the context of routing?
• What is the purpose of the command 'show ip interface brief'?
• Which layer of the OSI model typically interacts with routing protocols?
• After all PCs in a network have communicated, which interface will switch D populate in its MAC FDB for PC1?
• What distinguishes OSPFv2 from OSPFv3?
• Which algorithm does OSPF utilize for route calculation?
• How is "bandwidth" defined in networking?
• What is the primary purpose of a default gateway in a network?
• What is one of the main advantages of using EIGRP over RIP?
• What does a PE device do before forwarding packets to the customer?
• How often does RIPv2 send out routing updates?
• What role does DHCP serve in networking?
• How many broadcast and collision domains are found in a typical Ethernet Local Area Network?
• What does the abbreviation EIGRP stand for?
• What is ‘Administrative Distance’ used for in routing?
• What is a disadvantage of using RIP compared to EIGRP?
• What is the significance of subnet masks in networking?
• Which attribute in BGP helps prevent routing loops by indicating the traversed Autonomous Systems?
• Which components are essential in an OSPF network?
• What is the primary function of a SAP?
• What is the primary function of the OSPF protocol?
• How is the number of hosts in a subnet calculated?
• How is "throughput" defined in networking?
• Router R5 receives four route updates for the same prefix. Which of the four routes will be installed in R5's routing table?
• What operation does an iLER perform when it receives a packet?
• In OSPF, what does LSDB stand for?
• What does the term ‘Convergence’ refer to in networking?
• What type of device is primarily used to connect different networks together and route traffic between them?
• What kind of routing metric does RIP use?
• Which technology is used to securely connect remote users to a company network over the Internet?
• What is the purpose of Network Address Translation?
• Why is NAT (Network Address Translation) used?
• Which of the following statements about ICMP is TRUE?
• Which of the following is NOT a characteristic of link-state routing protocols?
• What does load balancing in routing aim to achieve?
• What is the purpose of a routing policy?
• Which of the following is a characteristic of dynamic routing?
• Which protocol is primarily used for secure data transmission over the Internet?
• Which of the following is the physical infrastructure that provides interconnections between ISPs?
• Which device serves as the termination point of a Label Switched Path (LSP)?
• Which of the following about a router running a link state routing protocol is FALSE?
• What does the term 'Label Switched Path' (LSP) refer to?
• In which scenario is eBGP typically used?
• What type of database does OSPF use to track its topology?
• What is the definition of a default route?
• What information does the 'show ip protocols' command provide?
• Which of the following statements about LAG is FALSE?
• What is the main difference between TCP and UDP?
• What is the main purpose of route summarization in networking?
• What does a network’s topology impact?
• Which of the following is a key characteristic of RIPv2?
• Which of the following is a characteristic of route aggregation?
• What are the two main types of routing in networking?
• What is the purpose of network metrics?
• Which of the following protocols is used to prevent loops in Ethernet networks?
• What role does a DHCP server play in dynamic routing?
• Which of the following is the broadcast address of the network to which host 172.16.176.135/18 belongs?
• What does the acronym "MTU" stand for?
• Which one of the following log-IDs is typically reserved for Network Management on a Nokia 7750 SR?
• What is the primary function of Address Resolution Protocol (ARP)?
• How does a router typically determine the best route to a destination?
• Which of the following is a key feature of OSPF routing?
• What is the default administrative distance for OSPF?
• How does static routing differ from dynamic routing?
• Which of the following is NOT a valid log destination in a Nokia 7750 SR?
• What is meant by the "next-hop" in routing?
• Which routing protocol needs to maintain a consistent view of the network topology?
• Router R5 receives four route updates for the same prefix. Which of the four routes will be installed in R5's routing table?