CCNA 2 Switching, Routing, and Wireless Essentials, Version 7.0 Practice Test

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• Which hosts will receive an ARP request from Host A if both switches are configured to carry traffic for multiple VLANs?
• What are two characteristics of Cisco Express Forwarding (CEF)?
• Why is DHCP snooping necessary when employing Dynamic ARP Inspection?
• In the HSRP failover process, what occurs after the forwarding router fails?
• How can performance for streaming media services improve with the 5GHz frequency band?
• In the context of wireless networking, what does SSID stand for?
• How should the static router on R1 be modified to allow LAN users to reach the Internet?
• What must be enabled for a switch to properly facilitate inter-VLAN routing?
• What port security configuration allows MAC addresses to be dynamically learned and added to the configuration on a switch?
• What action occurs when the source MAC address of a frame entering a switch is already in the MAC address table?
• What action does a switch perform when it encounters a source MAC address that is not in its MAC address table?
• Which wireless encryption method provides the highest level of security?
• How does a Layer 2 switch determine how to forward frames?
• Why might data exchanges between a WLC and APs occur in plain-text instead of being encrypted?
• How does assigning ports to VLANs affect network management?
• What should an administrator do to remove a static route from the routing table if the destination network no longer exists?
• Which static route allows for a backup route to the 172.16.1.0 network?
• Which information does a switch use to populate the MAC address table?
• What is the effect of enabling DHCP snooping on a switch?
• What is one of the steps required for configuring a Layer 3 switch for inter-VLAN routing?
• What information does a router send back to a client after receiving a Router Solicitation (RS) message in IPv6?
• What can be concluded when R1 is configured as a DHCPv4 relay agent?
• Which three ports are likely to be STP designated ports in a switch configuration with the same default priority?
• Which command correctly showcases an IPv4 default static route?
• What credential do users need to connect to a WLAN secured with WPA2 PSK?
• Which command can be used to verify the current IP address configuration on a switch?
• Which trunk link will stop forwarding traffic after the root bridge election process is complete?
• How are Rapid PVST+ link types determined on switch interfaces?
• What can be concluded from the output of the command show port-security interface fa0/2 on switch SWC?
• What protocol allows data to transmit over redundant switch links?
• During a security evaluation, which type of LAN attack is targeted when using the macof tool?
• Which command enables a router to configure a link-local address without using an IPv6 DHCP server?
• Why would an administrator change the default DHCP IPv4 addresses on an AP?
• What should be the first step if a company cannot access the Internet after switching ISPs?
• Which of the following characteristics is true of cut-through switching?
• Which protocol disables redundant paths to eliminate Layer 2 loops?
• What task does the "show vlan" command perform on a switch?
• Which two characteristics of switches can help reduce network congestion?
• What is the effect of entering the switchport mode access configuration command on a switch?
• What are the possible port roles in an RSTP-enabled network?
• What is a drawback of the local database method of securing device access?
• What is the default STP mode in modern switches?
• Which protocol should be disabled to mitigate VLAN attacks?
• Select the three PAgP channel establishment modes.
• What is the role of the DHCP server in a network?
• What is the status of a Layer 2 interface when it is disabled?
• During which step of the AAA process is authorization implemented?
• If the IP address of the default gateway and DNS server are correct, what configuration problem might still exist?
• What IPv6 global unicast address assignment scheme is intended for use when configuring a router for IPv6?
• What will be the source IP address on a packet sent from Host A to Host B?
• Which two default wireless router settings can affect network security?
• How does a router manage static routing when Cisco Express Forwarding is disabled?
• What configurations would typically be applied to a Layer 3 switch connecting to a router for Internet access?
• What role does the native VLAN play in VLAN tagging?
• How can a network administrator minimize the number of devices receiving broadcast traffic in a LAN?
• Why would a network administrator use a WLAN controller?
• What is the default encapsulation for Ethernet networks in the layer 2 protocol?
• What is one reason a network administrator would segment a network with a Layer 2 switch?
• What adjustment should be made to a static route to ensure traffic utilizes the OSPF link only when it is operational?
• What is the effect of entering the shutdown command on a switch port?
• Which two VTP modes allow for the creation, modification, and deletion of VLANs on the local switch?
• Which command would you use to verify the routing table on a Cisco router?
• Which types of spanning tree protocols can lead to sub-optimal traffic flows?
• Why is it important to disable auto-MDIX on a switch for routed ports?
• What must be seen in the ARP table on Host1 to establish Internet connectivity in an HSRP configuration?
• What is the purpose of the ip dhcp snooping command on a switch?
• Which DHCP message type confirms that the address lease has been accepted?
• Which three Wi-Fi standards operate in the 2.4 GHz frequency range?
• What is the effect of entering the ip arp inspection vlan 10 configuration command on a switch?
• What IPv6 prefix is designed for link-local communication?
• What is the expected outcome when two switches connected via EtherChannel with STP enabled are utilized?
• What is an advantage of PVST+?
• Which method of wireless authentication is dependent on a RADIUS authentication server?
• Which command will you need to enter on the Layer 3 switch to ensure it has Layer 3 capabilities?
• What is the main function of VLAN Trunking Protocol (VTP)?
• In a large warehouse, which channel assignments should be used for multiple access points to avoid overlapping?
• What is the primary purpose of configuring port security on a switch?
• Which three configurations are essential for setting up remote management access on a new Cisco switch?
• What is the effect of entering the ip arp inspection validate src-mac configuration command on a switch?
• What does the switchport port-security command do on a switch?
• How does a host verify that a generated IPv6 address is unique after using DHCPv6 or SLAAC?
• What is a possible consequence of having a missing static route on a router?
• What is a DHCP starvation attack?
• Which Cisco solution helps prevent ARP spoofing and ARP poisoning attacks?
• What address and prefix length is used when configuring an IPv6 default static route?
• When would a technician use the show interface switch command?
• What error may prevent an IPv6 static route from functioning correctly?
• Which two functions are performed by a WLC when using split MAC?
• What is a possible issue if a PC cannot communicate with another PC due to inter-VLAN routing configuration?
• Which pairs of trunking modes will function to establish a trunk link between two switches?
• What is the purpose of the command "ip route 0.0.0.0 0.0.0.0 serial 0/1/1"?
• What is one of the techniques for mitigating VLAN attacks?
• Which command would be used to verify a static route in a Cisco router?
• In a SOHO wireless router configured with WPA2, which two authentication methods can be used?
• What is the common term given to SNMP log messages generated by network devices?
• What protocol or technology allows a standby router to assume packet-forwarding responsibility if the active router fails?
• What DHCP message is a client initiating to find a DHCP server?
• Which step is the first in the switch boot process?
• Which tab should a network administrator use to create a new VLAN interface on a Cisco 2500 series WLC?
• What is the problem if users on VLAN 20 cannot reach users on VLAN 30 due to a router configuration error?
• Why would a network administrator disable SSID broadcasting on a WLAN?
• What type of network device includes features for connecting multiple PCs, configuring SSID, and setting authentication properties?
• Which feature of a switch enhances network performance by reducing collisions?
• What action does a DHCPv4 client take if it receives more than one DHCPOFFER from multiple DHCP servers?
• When configuring an IPv6 static route with a next-hop link-local address, what additional information is necessary?
• What should be checked if a branch router is dropping large numbers of packets?
• To which port will a switch forward a broadcast IPv4 DHCP request from a PC?
• What should be done if branch users lose connectivity to a previously accessible site?
• Which method of IPv6 prefix assignment uses the prefix from RA messages?
• Which protocol or technology is a Cisco proprietary protocol that is automatically enabled on 2960 switches?
• On a CISCO 2504 WLC Summary page, which tab allows configuration of a WLAN with a WPA2 policy?
• What is the problem if PC1 is not able to receive an IPv4 address?
• A technician finds a wrong path and unreachable status during a traceroute to a newly added network route. What should be checked?
• Why is VLAN99 missing according to the displayed configuration?
• What two configuration items should be verified for stateless DHCPv6 operation?
• Which technology allows multiple physical links to be bundled into a single logical link for better bandwidth utilization?
• What is the first step in configuring inter-VLAN routing on a Layer 3 switch?
• What characterizes a host route on a Cisco router?
• What is the best solution to prevent a user from sending a double-tagged 802.1q frame to a switch?
• To create a backup route that is only used if the primary route fails, which command would be appropriate?
• What is the relationship between VLANs and broadcast domains?
• What protocol or technology requires switches to be in server mode or client mode?
• Why is fast internal switching advantageous for a network switch?
• Which of the following steps is part of configuring inter-VLAN routing on a Layer 3 switch?
• What static route command should be entered on R1 to forward traffic to the LAN connected to R2?
• Which DHCP message is sent from the DHCP server in response to a client's initial request?
• Which DHCP message confirms that a lease offer has been accepted by the client?
• Why would a network administrator use RADIUS servers on a WLAN?
• Which configuration method is considered secure for remote access to a network device?
• In a static route configuration, what does the notation 10.17.2.0/24 [1/0] via 10.16.2.2 signify?
• What command on router HQ configures a default route to the Internet for IPv6?
• If PC-A is unable to communicate with PC-B, and they are both in VLAN 60, what might be the issue?
• What is the primary reason for launching a MAC address overflow attack?
• What are two advantages of using static routes instead of dynamic routes?
• When configuring dynamic routing protocols, which operation is not typically required?
• Which statement accurately describes a potential issue with duplex and speed settings on Cisco 2960 switches?
• Which commands will allow hosts on a new subnet to receive addresses from the DHCPv4 server?
• What is the main purpose of static routing in a network?
• What steps should be taken before moving a Cisco switch to a new VTP management domain?
• What CLI command is used to enable PortFast on a switch port?
• Which DHCPv4 message will a client send to accept an IPv4 address offered by a DHCP server?
• What role does the administrative distance play in static routing?
• What is the correct description of a default VLAN?
• What is the purpose of the DHCPDISCOVER message in the DHCP process?
• In which situation would a network use a default static route?
• What protocol has been implemented to group multiple physical ports into one logical link on a switch?
• Which of the following commands can be used to review the status of VLANs on a switch?
• Which command allows a router to respond to stateless DHCPv6 requests?
• In inter-VLAN routing, what does the router use to communicate between different VLANs?
• Which command initiates the process to bundle two physical interfaces into an EtherChannel group using LACP?
• When troubleshooting a slow WLAN, what two configurations are key when using a split-traffic approach?
• In which situation is the use of Port Security most advantageous?
• Why would a network administrator apply WPA2 with AES to a WLAN?
• What is a common method used to perform a VLAN hopping attack?
• Which two conclusions can be drawn from the output regarding the EtherChannel?
• What is the metric used to forward a data packet with the IPv6 destination address 2001:db8:acad:3:240:bff:fed4:9dd2?
• What is the most likely cause of resource accessibility issues after an inter-switch trunk link failure?
• In a switch, if a port receives a broadcast frame, what happens?
• What layer of the OSI model does a router operate at?
• What term describes the method of grouping multiple physical Ethernet links into a single logical link?
• What does the process of error checking in store-and-forward switching ensure?
• What happens when a frame with an unicast destination MAC address is not in the MAC address table of a switch?
• Which term describes the role of a Cisco switch in the 802.1x port-based access control?
• If the MAC address table on a switch is empty, how will the frame from PC-A be handled when sent to PC-C?
• In which scenario would you configure port security to allow only a limited number of MAC addresses on a switch port?
• In a switch's port security configuration, what should be set when the maximum number of MAC addresses is reached?
• Which protocol manages trunk negotiation between switches?
• What protocol defines a group of routers with one active and one standby router?
• In what mode must an access point operate if a laptop fails to display available wireless networks during a conference?
• What configuration must be performed to ensure a new switch receives VLAN updates without allowing new VLANs to be added?
• Which type of static route is configured with a greater administrative distance to provide a backup route?
• What is the reason BPDU guard is not activated on all access ports after enabling it globally?
• Why do VLANs 10 and 100 remain after the command erase startup-config is executed?
• What should be checked if users on a LAN can’t access a company web server?
• What must be true for hosts on different VLANs to communicate with each other?
• What is one possible outcome if inter-VLAN routing is misconfigured?
• What is the maximum number of VLANs that can be configured on a Cisco switch?
• Why might an administrator choose to use multiple lightweight access points (APs) in a WLAN?
• What is the effect of entering the ip dhcp snooping limit rate 6 configuration command on a switch?
• What mitigation technique can prevent rogue servers from giving false IPv6 configuration parameters?
• Which floating static route will provide a backup to the 10.10.0.0/16 network if the link between R1 and Branch2 goes down?
• When a frame with a multicast destination MAC address enters a switch, what happens?
• What is the effect of entering the show ip dhcp snooping binding configuration command on a switch?
• Which command will create a static route on router R2 to reach PC B with the given IP addresses?
• What are two characteristics of routed ports on a multilayer switch?
• What is the primary function of a firewall in a network?
• What does the command "show cdp neighbors" display?
• What action will router R1 take with a packet that has a destination IPv6 address of 2001:db8:cafe:5::1?
• On which switchports should BPDU guard be enabled to enhance STP stability?
• What should be checked if users report sporadic access to the Internet every afternoon?
• What type of network attack is most effectively mitigated by enabling BPDU guard?
• What is the first step in the DHCPv4 process?
• What is a characteristic of store-and-forward switching?
• What action takes place when a frame entering a switch has a unicast destination MAC address in the MAC address table?
• What information is displayed by the show spanning-tree command on a switch?
• What protocol adds security to remote connections?
• What protocol or technology uses source IP to destination IP as a load-balancing mechanism?
• When configuring a switch to avoid VLAN hopping, which practice should be avoided?
• What could be the likely cause if VLAN10 and VLAN20 cannot communicate despite proper configuration?
• What should a network administrator configure if Host C is unable to ping Host D due to switch issues?
• What command disables Dynamic Trunking Protocol (DTP)?
• Which command can be used to verify the MAC address table on a switch?
• Why might the number of active clients show as 0 when configuring a router as a DHCPv6 server?
• What destination MAC address is used when frames are sent from a workstation to its default gateway?
• In the context of inter-VLAN routing, what does the highlighted parameter identify?
• What is a common drawback of using a default SSID for a wireless network?
• What occurs when STP is enabled on a network?
• What is the impact of connecting multiple switches together?
• What happens when the source MAC address of a frame entering a switch appears in the MAC address table associated with a different port?
• What functionality does the command 'switchport mode trunk' provide on a switch port?
• In cut-through switching, when does the forwarding process start?
• What is the role of the root bridge in a spanning tree protocol?
• What is the best strategy to mitigate a MAC address table overflow during a DoS attack?
• What effect does the spanning-tree portfast configuration command have on a switch?
• Which two protocols are commonly used for server-based AAA authentication?
• When employees are unable to connect to internal servers, which command should be used to diagnose the interface state?
• What is the purpose of the Spanning Tree Protocol (STP) in a network?
• What message type is used by a client to accept an IP address provided by a DHCP server?
• In a router-on-a-stick configuration, what should be configured on the switch port that connects to the router?
• What is the function of VLANs in network management?
• Which three elements combine to create a bridge ID?
• What mitigation technique prevents rogue servers from supplying false IP configuration parameters?
• Which IPv6 prefix is designated for link-local addresses?
• A technician is setting up static routing for a small company. What should they verify?