Router and Routing Basics Practice Test

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• Which command displays interface information and packet flow counts?
• What is policy-based routing (PBR) and when would you use it?
• In a routing table, what symbol indicates a route learned from static configuration?
• Which statement best describes a dynamic NAT pool?
• Which statement accurately describes dynamic routing protocols?
• Which command reveals whether a routing protocol is sending and receiving updates on an interface?
• A routing table is used by a router to
• Devices including routers and switches are commonly accessed using what two resources?
• What is the operation of the show ip int brief command?
• In a routing table, which symbol indicates a route that is manually configured?
• What is the purpose of a route map in the context of routing and policy?
• Which statement best describes Logical Topology?
• In EIGRP, what are a successor and a feasible successor?
• What must an interface be configured with?
• Which attribute determines the trust level of routing information from different protocols on a router?
• In an OSPF deployment, why is the backbone area essential?
• Define Scalability.
• In an OSPF deployment, which statement best describes the backbone area in relation to other areas?
• Devices need the following three information items for network access. Which three items are required?
• What is the purpose of the routing table's next-hop field?
• Where is the startup configuration file stored on a router?
• Which statement about static routes is true?
• Which command enables a specific routing protocol process (e.g., OSPF) in configuration mode?
• How does EIGRP measure the metric of a network?
• What is the correct command to configure a static IPv4 route to 192.168.50.0/24 via 10.0.0.1?
• If two or more paths to the same destination have identical metrics, what will the router do?
• How do you test connectivity to a next-hop address in a router?
• In IPv6, which ICMPv6 messages replace ARP for address resolution and neighbor discovery?
• Which IPv6 Neighbor Discovery function is used to locate routers on the local link?
• The switch's virtual interface (SVI) is primarily used to provide what?
• What is the scope of IPv6 link-local addresses such as fe80::/64?
• Which of the following is a common method for preventing routing loops?
• Which address represents the broadcast address for the 10.0.0.0/8 network?
• If no route is determined for a destination, where is the packet sent?
• Which letter represents a directly connected route?
• Which device typically acts as the route for traffic destined for destinations outside the local network?
• What is the typical Administrative Distance value associated with static routes?
• Which command configures IPv4 routes on Cisco IOS?
• What is the correct way to apply an ACL to inbound traffic on an interface?
• What do OSPF Hello and Dead intervals represent?
• A route learned from a neighboring router using OSPF appears in the route table with which letter?
• Which information is displayed by the command show ip int brief?
• What does the letter L stand for in the routing table?
• What is RIP’s maximum hop count and what does a hop count of 16 indicate?
• On an ABR or router boundary, how is route summarization typically implemented?
• When is a loopback interface automatically in the up state?
• Which technique uses sending an unreachable metric to a failed route to prevent propagation of stale information?
• Which statement about using an Access Control List on a router is true?
• Which command would you use to verify OSPF neighbor adjacency on an interface?
• Which memory stores the startup configuration file?
• What does 'no shutdown' do in interface configuration?
• What does the show ip interface command display?
• For the IPv4 address 192.168.10.77/26, which are the network and broadcast addresses?
• Which CIDR notation corresponds to the subnet mask 255.255.240.0?
• In a stub network, what role does the default route serve?
• Which statement accurately describes static routing compared to dynamic routing?
• In a stub network, what condition typically necessitates a default route?
• Which feature enables the use of multiple equal-cost routes to a destination?
• A host can assign IP address information either statically or dynamically. What are the two methods?
• MTBF is associated with which aspect of a network?
• Which components are included in EIGRP's metric?
• Which has the lowest administrative distance among EIGRP, OSPF, and RIP?
• What is equal-cost load balancing?
• Define cost.
• What is the primary difference between the commands ip route and ipv6 route?
• Which of the following are typical uses of networks?
• Which of the following statements is true about static routes?
• In IPv6, which statement correctly describes how link-local addresses are used?
• Which of the following best describes how a static route is identified in a routing table?
• What is the primary function of a DHCP relay agent in a multi-subnet network?
• What is the primary function of the default gateway in an IP network?
• Which statement best describes Physical Topology?
• Which statement about static routes is true?
• What is stored in NVRAM on a router?
• Which statement best describes equal-cost load balancing?
• Which CIDR block provides 6 usable hosts?
• Where is the routing table stored during normal router operation?
• In IPv6, what is the purpose of link-local addresses?
• Define security.
• How do Administrative Distance and metric interact to influence route selection?
• Which letter represents a route learned via the OSPF routing protocol?
• How does NAT translate internal private addresses to public addresses?
• How does RIP measure the metric of a network?
• LANS are Ethernet networks that contain which devices?
• What is the primary purpose of using a default route in a stub network?
• Which statement about PAT (NAT overload) is true?
• Which statement best describes RAM?
• What does IOS stand for in Cisco terminology?
• A route map is primarily used for which purpose in routing and policy?
• What is a stub network in routing terms?
• What does the letter D indicate in the routing table?
• What is the primary benefit of route summarization in a routing table?
• Which command displays the commands configured on a specific interface?
• What is stored in ROM in a router?
• What is route redistribution and a potential risk when performing it between protocols?
• How do you configure a static default route to next-hop 203.0.113.5 on a Cisco router?
• Which statement best describes the role of a router in routing traffic between networks?
• What is route summarization and what is its primary benefit?
• Which letter represents a route learned via the EIGRP routing protocol?
• What is route flapping and a common mitigation technique?
• For the IPv4 network 10.0.0.0/8, how many usable host addresses are available?
• What does Administrative Distance represent in routing?
• What is the role of a default gateway for hosts in a subnet?
• What is the correct method to enable IPv6 routing on a Cisco router?
• What is the administrative distance (AD) of OSPF?
• What happens when a router receives a packet?
• Router switching function encapsulates the packets in the appropriate ______ type for the outgoing interface.
• Which memory stores the IOS and other system-related files?
• Reliability.
• What is a major advantage of dynamic routing protocols over static routes?
• What is the correct sequence of steps a router takes when forwarding a packet destined for another network?
• What is the administrative distance of directly connected networks?
• What is a typical requirement of PAT?
• Which statement accurately describes link-state routing protocols?
• Which characteristic best describes static routes in terms of resource usage?
• Which statement about static versus dynamic routing maintenance is most accurate?
• A loopback interface is a logical interface internal to the router; what are some characteristics of the interface?
• When choosing between two routes with different administrative distances, which route is preferred?
• What is the administrative distance (AD) of RIP?
• What mechanism helps prevent rapid changes in a route when a route becomes unstable?
• How does a router know which protocol to use to reach a destination when multiple protocols are present?
• Define Availability.
• Which OSPF neighbor state indicates a fully formed adjacency?
• In OSPF, what routing metric is used to select the best path?
• Differentiate between distance-vector and link-state routing protocols with an example each.
• A route learned from a neighboring router using EIGRP appears in the route table with which letter?
• What information does the show ip route command display?
• Which mechanism reduces convergence time by sending an immediate update when a route changes?
• Define Administrative Distance and name an example of a lower versus higher AD value.
• How do standard and extended ACLs differ on Cisco devices?
• If a destination belongs to a remote network, the router will typically forward the packet to which next hop?
• What is the role of the Gateway of Last Resort when there is no route to the destination?
• Which statement is true about scalability in networks?
• A switch requires an IP address to be configured on a virtual interface, what is this called?
• Which statement best describes Physical Topology?
• Which statement correctly contrasts static and dynamic routing?
• Which is a primary purpose of implementing an Access Control List on a router?
• What is a floating static route?
• What is the dotted-decimal subnet mask for /22?
• What does administrative distance represent?
• Which command shows the IPv4 routing table on a Cisco router?
• Which statement describes a key benefit of manually configured static routes?
• Which statement correctly describes IPv4 and IPv6 addressing in terms of address length and space?
• How do you disable a routing protocol on a Cisco device without removing the physical interface?
• Which protocol measures its metric as Cisco's cost based cumulative bandwidth from source to destination?
• In routing tables, a route that is directly attached to the router’s interface is indicated by which letter?
• Which statement best describes how static routes are indicated in a routing table?
• How is a connected route created on a router?
• Explain IPv6 Neighbor Discovery (ND) role beyond address resolution.
• In EIGRP, what type of metric is used to determine the best path?
• Which IPv6 Neighbor Discovery feature detects whether an address is already in use on the local link?
• If a host sends a packet to a device on a different IP network, what happens to the packet?
• What is the administrative distance of a static route?
• Which data structure does a router consult to decide where to forward a packet?
• Which of the following is a primary function of a router?
• Which item is stored in ROM besides bootup instructions?
• Which statement best describes when static routing is preferred over dynamic routing?
• Which statement best describes the effect of OSPF area design on routing?
• A cable labeled with DCE needs to be configured with what command?
• WANs are used to connect networks over large geographical areas such as to which?
• Which command disables summarization in a classless routing protocol such as OSPF?
• Which memory type is volatile and erased when the device is powered off?
• What is DHCP relay (IP helper) and why is it used?
• What is the main purpose of an IPv4 loopback interface?
• What does the letter O indicate in the routing table?
• What is the administrative distance (AD) of EIGRP?
• What are routers necessary for?
• Which are the three path determinations that a routing table search can yield?
• What does the letter C stand for in the routing table?
• What is the primary purpose of a default route in a router's forwarding table?
• Which statement best describes a directly connected route?
• How does OSPF measure the metric of a network?
• In OSPF, which area is designated as the backbone that connects all other areas?
• Which command verifies an OSPF neighbor is formed and in Full adjacency?
• What information does the show interfaces command provide?
• Speed is measured in?
• What is the operation of the routing table?
• Which statement best differentiates static NAT from dynamic NAT?