Network Implementation: Routing, Switching, and Wireless Protocols Practice Test

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• Which statement describes the purpose of Quality of Service in networks?
• Which OSPF LSA type describes the links attached to a router (its neighbors and interface connections)?
• Which Ethernet standard provides Fast Ethernet at 100 Mbps over Category 5 cable with a 100-meter maximum distance?
• Which standard is associated with combining multiple physical network links into a single logical link?
• Which Ethernet standard provides Gigabit Ethernet over multimode fiber with 1 Gbps and up to 550 meters?
• In spanning tree protocol, which switch is considered the root of the tree?
• Which cable supports 10 Gbps at 100 meters?
• Which network configuration uses a single physical router interface with multiple sub-interfaces, one per VLAN, to route traffic between VLANs over a trunk link?
• If a destination is reachable via both a directly connected route and a dynamically learned route, which is typically preferred?
• What term describes a set of techniques that prioritize certain types of network traffic?
• Which Wi-Fi standard uses 2.4 GHz and has a maximum speed of 11 Mbps?
• Which statement about CAM table aging is true?
• Which statement best describes BPDU guard and root guard on access ports?
• Which OSPF area type is designed to retain external routes within the area using Type-7 LSAs, while not carrying external Type-5 LSAs into the area?
• Explain the concept of a wildcard mask and how it is used in ACLs and routing protocols for matching IP addresses.
• What is the role of the virtual IP address in first-hop redundancy protocols?
• Which mechanism translates private IP addresses to one or more public IP addresses to enable internet access and conserve IPv4 address space?
• Define WMM and its four access categories.
• Which category cable supports 1 Gbps at 100 meters and up to 10 Gbps at 55 meters?
• EtherChannel bundles multiple links into a single logical link. Which statements are true about LACP and PAgP and load balancing?
• Which Ethernet standard provides Gigabit Ethernet at 1 Gbps over Category 5e or Category 6 cable with a 100-meter maximum distance?
• Which protocol is an Interior Gateway Protocol used to route traffic within a single autonomous system?
• Which protocol uses TKIP encryption?
• Which fiber type has a single light path and supports long distances from several kilometers up to 100 kilometers?
• Which protocol routes traffic between different autonomous systems?
• How does DHCP snooping help prevent IP spoofing and what switch configuration is typically required?
• What is the purpose of a CAM table aging timer, and what is a potential performance impact of high MAC address learning (MAC churn)?
• Which statement describes 802.1Q tagging for inter-VLAN routing?
• Which statement correctly describes static NAT and dynamic NAT?
• Which cable is designed with a fire-resistant jacket that produces less toxic smoke when burned?
• Which BGP attribute is primarily used to determine the sequence of autonomous systems for a route?
• Which option describes 10 Gigabit Ethernet over single-mode fiber with a maximum distance of 10 kilometers?
• Which NAT configuration is most appropriate for servers that must remain reachable from the public internet?
• In VTP, which mode stores and distributes VLAN information to other switches?
• Which switch port carries traffic for multiple VLANs simultaneously using 802.1Q tags?
• What does RADIUS stand for?
• Why is performing the cutover during a maintenance window important?
• Which translation uses a single public IP with different source ports to support multiple internal sessions?
• In BGP, which type typically has a lower administrative distance, eBGP or iBGP?
• Which switch feature shuts down a port if it receives a BPDU frame?
• Which statement best describes Multimode Fiber?
• Which protocol converges fastest among STP variants?
• Which Ethernet standard supports 1 Gbps over multimode fiber with a maximum distance of about 550 meters?
• What is the goal of channel planning in WLANs, and what is a typical 2.4 GHz assignment?
• Which statement correctly contrasts RIP with modern IGPs?
• Which cable is an Enhanced Cat5 that supports up to 1 Gbps at 100 meters?
• Which port security feature automatically learns and saves the MAC address of the first device connected to a port?
• What term describes the logical segmentation of a switch into separate broadcast domains?
• What does MU-MIMO stand for?
• 802.3af: 15.4 watts. 802.3at (PoE+): 30 watts. 802.3bt (PoE++): up to 90 watts.
• LACP stands for which protocol?
• Which routing protocol typically has an administrative distance of 110?
• Which PoE standard can deliver up to 90 W per port?
• When VLANs are not reaching across switches due to trunk issues, which steps should you start with?
• Which cable is augmented Cat6, supporting 10 Gbps at the full 100 meter distance?
• Also called NAT overload, which translation technique lets many private IP addresses share a single public IP by using different port numbers?
• What does route redistribution accomplish in multi-protocol networks?
• A pool of public IP addresses is shared among private hosts on a first-come, first-served basis. No permanent mapping.
• Which protocol helps manage and negotiate link bonding across switches?
• Which exterior gateway protocol routes traffic between autonomous systems?
• Which routing method allows routers to share routing information and adapt to network changes?
• Which design principle helps reduce routing table size by aggregating routes at network boundaries?
• Which practice best secures management access to network devices?
• Which device forwards packets between different networks using IP addresses and a routing table?
• What is CAPWAP and its role in controller-based WLANs?
• Which device can perform inter-VLAN routing without needing an external router?
• What happens when a packet does not match any specific route but a default route exists?
• Which statement about OSPF Hello and Dead intervals is true, and what is their effect on neighbor adjacency?
• What is the term for the method of combining multiple Ethernet links to increase bandwidth and provide redundancy?
• Which metric does OSPF use to determine the best path?
• Which routing type uses manually configured routes that do not change unless administratively modified?
• Which standard defines VLAN tagging on trunk links?
• Which standard is known as Wi-Fi 4?
• Which statement about PoE wattage across standards is accurate?
• What is SPAN used for in a network?
• Which statement best describes the purpose of dividing an OSPF domain into areas?
• Which OSPF LSA type carries routes that summarize inter-area destinations?
• What are the advantages and limitations of using QoS in networks, and how would you implement basic QoS for VoIP traffic?
• Which Layer 2 device forwards Ethernet frames using MAC addresses and builds a MAC address table by listening to traffic?
• What is the maximum theoretical speed associated with 802.11ax (Wi-Fi 6)?
• Which port type is typically used to connect switches together or connect a switch to a router to carry multiple VLANs?
• Which of the following is an example of an Interior Gateway Protocol used for routing inside an autonomous system?
• Which Wi-Fi standard uses both 2.4 GHz and 5 GHz with a maximum speed of 600 Mbps?
• Using VLSM on a 192.168.0.0/24 network, you need subnets for 50 hosts, 20 hosts, and 6 hosts. Which set of masks fits while minimizing waste?
• Which design enables inter-VLAN routing on the switch itself, reducing the need for traffic to exit to an external router?
• Which protocol uses SAE instead of pre-shared keys?
• Which is not a copper twisted-pair cable standard?
• In Cisco VTP, which mode does not participate in VLAN distribution but forwards advertisements?
• Which term describes a network design in which inter-VLAN routing is performed by a router using a single physical interface with sub-interfaces?
• Which standard corresponds to 5 GHz only and can reach up to 3.5 Gbps?
• Which fiber type supports very long distances up to 100 kilometers?
• Which copper-based cable supports up to 1 Gbps at 100 meters?
• Which protocol uses SAE in personal mode and is the latest standard?
• Which switch feature restricts which MAC addresses can connect to a switch port and can limit the number of allowed MAC addresses and specify a violation action?
• Which statement about preemption in HSRP and VRRP is correct?
• Which statement accurately describes HSRP and VRRP in first-hop redundancy?
• Which event typically triggers a recalculation of SPF in OSPF?
• Which protocol uses a pre-shared passphrase for authentication?
• Which OSPF area type explicitly allows Type-7 LSAs to summarize external routes and does not carry Type-5 LSAs?
• Which option describes the standard that combines multiple physical links into a single logical link?
• Which routing protocol was originally Cisco proprietary, now open standard, and uses a composite metric with fast convergence?
• Which protocol uses AES-CCMP encryption?
• Which VLAN is the one whose traffic travels untagged on a trunk port?
• Which switch port is assigned to a single VLAN and connects end-user devices, with untagged traffic?
• Which term is used to describe ensuring network traffic is prioritized to meet performance requirements?
• Which protocol is a link-state routing protocol that uses a cost based on bandwidth and has no hop count limit?
• Which term describes a port security feature that automatically learns and saves the MAC address of the first device connected to a port?
• A switch builds a MAC address table by listening to traffic and learning which MAC addresses are on which ports. What is this process called?
• Which Ethernet standard provides 10 Gigabit Ethernet at 10 Gbps over copper cabling with a maximum distance of 100 meters?
• What does OFDMA stand for in Wi-Fi 6 technology that enables serving multiple clients simultaneously?
• What is the purpose of route tagging during redistribution between routing domains?
• What is the native VLAN in 802.1Q trunking?
• What delivers electrical power through standard network cables?
• What is the original wireless security protocol?
• In STP, which attribute determines the Root Bridge among switches?
• Which IEEE standard defines VLAN tagging on trunk links and adds a 4-byte tag to Ethernet frames?
• Which feature is primarily used to ensure different data classes receive appropriate bandwidth and low latency in networks?
• Which Ethernet standard has a speed of 10 Mbps, uses Category 3 twisted pair, and a maximum distance of 100 meters?
• In STP, which statement describes the root port?
• What is the purpose of VLSM in IPv4 networks?
• Where should standard and extended access-control lists be placed in a router and why?
• On a 802.1Q trunk, what is true about the native VLAN frames?
• How does a switch learn MAC addresses and what commonly causes CAM table overflow?
• Which STP role is responsible for forwarding frames on a specific network segment?
• Which standard defines port-based Network Access Control?
• When redistributing routes between OSPF and EIGRP on a single router, which technique helps prevent redistribution loops?
• Which VLAN is commonly used for secure management access to network devices?
• Which port type is used to connect end-user devices and carries untagged frames?
• What NAT type provides a one-to-one mapping between a private IP address and a public IP address, suitable for servers that must be reachable?
• What is the table on a switch mapping MAC addresses to the switch ports where those devices are connected?
• Which BGP attribute is commonly used to influence outbound path selection within an AS and is widely used in route policies?
• In EIGRP, what is the role of K-values?
• What term describes a rogue wireless access point that broadcasts the same SSID as a legitimate network?
• What is the database on a router listing known networks and how to reach them called?
• What does MIMO stand for?
• Which standard governs power delivery over Ethernet but is not a signaling protocol?
• What is the Feasible Distance in EIGRP?
• Which standard is known as Wi-Fi 5?
• Which standard combines 2.4 GHz and 5 GHz with speeds up to 9.6 Gbps?
• Which statement about DSCP and CoS in QoS is accurate?
• Which statement correctly differentiates iBGP from eBGP?
• Which statement describes standardization and vendor scope of HSRP and VRRP?
• Which is the extension of Wi-Fi that adds the 6 GHz band?
• What is administrative distance in routing, and how does it affect route selection when multiple routes to a destination are learned from different protocols?
• Which steps are essential after a routing change to ensure convergence and no forwarding gaps?
• What term describes a collection of IP networks under a single organization's control that presents a common routing policy to the internet?
• Which fiber type has multiple light paths and shorter distances up to about 2 kilometers?
• What does route summarization do and what is a typical example?
• Which routing protocol is a distance-vector protocol that uses hop count and has a maximum of 15 hops?
• Which routing protocol is described as Cisco-originated, now open standard, using a composite metric and fast convergence?
• What term describes a specific frequency subdivision within a wireless band?
• When two routes to the same destination have the same administrative distance from different sources, how is the final route typically chosen?
• Which protocol uses multiple STP instances to map VLANs to instances for scalable loop avoidance?
• What is the purpose of a default route in a routing table?
• What is a subnetting plan, and how would you design a hierarchical addressing scheme to reduce waste and optimize routing?
• Which current Wi-Fi security option is widely adopted and uses AES-CCMP encryption?
• What is the name of a wireless network broadcast by an access point?
• Which Wi-Fi standard operates in the 2.4 GHz band and supports up to 54 Mbps?
• How does IPv6 neighbor discovery function, and what are the roles of ICMPv6 messages in address resolution and duplicate address detection?
• Which protocol uses 802.1X authentication with a RADIUS server?
• Which security standard is the latest in the WPA family and introduces SAE for authentication?
• Which statement best describes the difference between standard and extended ACLs in Cisco IOS?
• How is gateway on a stick inter-VLAN routing implemented?
• What is a rogue access point, and which approach best supports detection and remediation?
• Which protocol is an improved version of STP with much faster convergence?
• What term describes the value a routing protocol uses to determine the best path to a destination?
• Describe a method for troubleshooting routing issues using ping, traceroute, and route-table/view commands to isolate topology problems.
• What device is capable of performing routing functions between VLANs internally without needing an external router?
• Describe the differences and use cases for controller-based vs standalone wireless architectures.
• 802.11r fast BSS transition is designed to...
• Which protocol maps IP addresses to MAC addresses in IPv6?
• Which source generally has the lowest Administrative Distance, indicating higher trust?
• Which VLAN is dedicated for VoIP traffic to allow QoS prioritization of voice traffic?
• Which Wi-Fi standard operates only in the 5 GHz band and can reach up to 3.5 Gbps?
• Router-on-a-stick inter-VLAN routing versus a multilayer switch: which statement is true?
• Which IEEE standard prevents Layer 2 loops by logically blocking redundant paths?
• Which statement about IPv6 routing protocol address families is true?
• Which protocol combines enterprise authentication with 802.1X and RADIUS?
• Which Wi-Fi standard operates in the 5 GHz band with a maximum data rate of 54 Mbps?
• Which technology provides 10 Gigabit Ethernet over multimode fiber with a maximum distance of 400 meters?
• Which protocol was historically the first to provide privacy but is now insecure?
• What is a common risk when the native VLAN is misconfigured across a trunk link?
• Identify the main differences between Layer 2 switching and Layer 3 routing in enterprise networks, and give a scenario where each would be used.
• Which feature shuts down a port when a BPDU frame is received?
• Describe a step-by-step approach to a network implementation project, including design validation, staging, cutover, and post-implementation verification.
• What is a VRF, and how does it enable overlapping IP addresses in the same physical network?
• Which standard is Gigabit Ethernet over single-mode fiber with a maximum distance of 5 kilometers?
• Which PoE standard provides the highest power per port among common standards?
• Which statement about OSPFv3 and EIGRP for IPv6 is correct?
• What data structure on a switch maps MAC addresses to physical ports to enable efficient forwarding decisions?
• Which standard is known as Wi-Fi 6?
• BGP uses which mechanism to determine the best routes in its advertisements?
• Which VLAN is used specifically for administrative access to network devices such as switches and access points?
• Which statement about modern wireless security is accurate?
• What is a primary advantage of dynamic routing over static routing?