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X1,2,3 - Networking2
(Still for revision)Networking 2/IT0015
| Question | Answer |
|---|---|
| What happens when the transport input ssh command is entered on the switch vty lines? | Communication between the switch and remote users is encrypted. |
| Which vlan interface is for best practice for management VLAN purposes only? | vlan 99 |
| While trying to solve a network issue, a technician made multiple changes to the current router configuration file. The changes did not solve the problem and were not saved. What action can the technician tak.... | Issue the reload command without saving the running configuration. |
| Match the ip address 192.168.1.1 255.255.255.0 command with the device mode at which the command is entered. | R1(config-if)# |
| Which configuration mode you use login command? | R1(config-line)# |
| Telnet Operation uses TCP port? | 23 |
| A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# duplex half command? | It allows data to flow in both directions at the same time on the interface |
| Under which occasion should an administrator disable DTP while managing a local area network? | when connecting a Cisco switch to a non-Cisco switch |
| What action will occur if a switch receives a frame and does have the source MAC address in the MAC table? | The switch refreshes the timer on that entry. |
| Cut-through switching ensures the frame is valid. | False |
| What action will occur if a host receives a frame with a destination MAC address it does not recognize? | The host will discard the frame. |
| It is the second step of two step process of the switch. ________. | Forward |
| Which switching method has the lowest level of latency? | fast-forward |
| Native VLAN is used for trunk links only. | True |
| What is the most scalable inter-VLAN routing option? | Layer 3 switch |
| Which command enables routing on a physical port of a Layer 3 switch? | No switchport |
| You can verify the router’s subinterface status by using show ip route command. | True |
| Which statement about slow inter VLAN forwarding is true? | The VLANs are experiencing slowness due to a duplex mismatch |
| Which is a step must you perform to enable router-on-stick on a switch? | assign the access port to the vlan |
| A network administrator is verifying the configuration of inter-VLAN routing. Users complain that PCs on different VLANs cannot communicate. Based on the output, what is a configuration error on switch interface Gi1/1? | Gi1/1 is configured as trunk mode. |
| --Data VLAN is used for trunk links only. | False |
| Under which two occasions should an administrator disable DTP while managing a local area network? | when connecting a Cisco switch to a non-Cisco switch; on links that should not be trunking |
| Which two steps must you perform to enbale router- on- stick on a switch? | connect the router to a trunk port; assign the access port to the vlan |
| A network administrator is verifying the configuration of inter-VLAN routing. Users complain that PCs on different VLANs cannot communicate. Based on the output, what is a configuration error on switch interface Gi1/1? | Gi1/1 is configured as trunk mode; Gi1/1 is in the default VLAN |
| -------------------------------------------- | |
| A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw> enable command? | It enters privileged mode |
| A network administrator is connecting a new host to the Store LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host? | 172.20.132.13 |
| A network administrator is connecting a new host to the Medical LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host? | 192.168.201.200 |
| Which is a primary function of a router? | Packet forwarding |
| Which two functions are primary functions of a router? | packet forwarding; path selection |
| The global configuration command ip default-gateway 172.16.100.1 is applied to a switch. What is the effect of this command? | The switch can be remotely managed from a host on another network. |
| Which command configures a name on the router? | Router(config)# hostname CL1 |
| What is the minimum Ethernet frame size that will not be discarded by the receiver as a runt frame? | 64 bytes |
| In switch boot sequence, what is the fourth step? | The boot loader initializes the flash file system on the system board |
| note: | |
| The correct bootup sequence order is as follows: 1.- First, the switch loads a power-on self-test (POST) program stored in ROM. | 2.- Next, the switch loads the boot loader software. The boot loader is a small program stored in ROM that is run immediately after POST successfully completes. |
| 3 - The boot loader performs low-level CPU initialization. It initializes the CPU registers, which control where physical memory is mapped, the quantity of memory, and its speed. | 4 - The boot loader initializes the flash file system on the system board. 5- Finally, the boot loader locates and loads a default IOS operating system software image into memory and gives control of the switch over to the IOS. |
| What term describes a computing model where server software runs on dedicated computers? | client/server |
| Which command or key combination allows a user to return to the previous level in the command hierarchy? | Exit |
| What is the auto-MDIX feature? | It enables a device to automatically configure an interface to use a straight-through or a crossover cable. |
| What information is added to the switch table from incoming frames? | source MAC address and incoming port number |
| --Switches extend broadcast domains, but can eliminate collision domains and relieve congestion. | True |
| When the store-and-forward method of switching is in use, what part of the Ethernet frame is used to perform an error check? | CRC in the trailer |
| Refer to the exhibit. How many broadcast domains are displayed? | 8 |
| What type of VLAN is configured specifically for network traffic such as SSH, Telnet, HTTPS, HHTP, and SNMP? | management VLAN |
| What is the significant difference between a hub and a Layer 2 LAN switch? | A hub extends a collision domain, and a switch divides collision domains; A switch creates many smaller collision domains, and a hub increases the size of a single collision domain. |
| Which four steps are needed to configure a voice VLAN on a switch port? | Assign the voice VLAN to the switch port; Ensure that voice traffic is trusted and tagged with a CoS priority value; Add a voice VLAN; Configure the switch port in access mode |
| What is the auto-MDIX feature on a switch? | the automatic configuration of an interface for a straight-through or a crossover Ethernet cable connection |
| --DTP is On by default on Catalyst 2960 and 2950 switches. | True |
| VLANs provides segmentation of the various groups of devices on the same switches. | True |
| A network contains multiple VLANs spanning multiple switches. What happens when a device in VLAN 20 sends a broadcast Ethernet frame? | Only devices in VLAN 20 see the frame. |
| Which switching method ensures that the incoming frame is error-free before forwarding? | store-and-forward |
| Cut-through switching have error checking and buffering characteristics. | False |
| --In which situation could individual router physical interfaces (not subinterfaces) be used for InterVLAN routing, instead of a router-on-a-stick configuration? | Networks with few VLANs |
| Which configuration can you apply to enable encapsulation on a subinterface? | interface FastEthernet 0/0.30 encapsulation dot1Q 30 ip address 10.1.1.30 255.255.255.0 |
| The network shown in the diagram is experiencing connectivity problems. Which of the following will correct the problems? | Configure the IP address of Host B as 10.1.2.2; Configure the gateway on Host B as 10.1.2.254 |
| A network administrator is configuring inter-VLAN routing on a network. For now, only one VLAN is being used, but more will be added soon. What is the missing parameter that is shown as the highlighted question mark in the graphic? | It identifies the VLAN number. |
| Which distinct type of VLAN is used by an administrator to access and configure a switch? | management VLAN |
| Which of these statements regarding 802.1Q trunking is correct? | 802.1Q trunks can use 10 Mb/s Ethernet interfaces |
| Which three of these statements regarding 802.1Q trunking are correct? | 1. 802.1Q native VLAN frames are untagged by default 2. 802.1Q trunks can use 10 Mb/s Ethernet interfaces 3. 802.1Q trunks should have native VLANs that are the same at both ends |
| If an organization is changing to include Cisco IP phones in its network, what design feature must be considered to ensure voice quality? | A separate VLAN is needed for voice traffic. |
| Which is statement is correct with respect to SVI inter-VLAN routing? | Switching packets is faster with SVI. |
| Which two statements are correct with respect to SVI inter-VLAN routing? | 1. Switching packets is faster with SVI. 2. There is no need for a connection to a router. |
| --------------------------------------------------------------------- | |
| Passwords can be used to restrict access to all or parts of the Cisco IOS. Select the modes and interfaces that can be protected with passwords | 1. VTY interface 2. console interface 3. privileged EXEC mode |
| Match the service password-encryption command with the device mode at which the command is entered. | R1(config)# |
| A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# ipv6 address 2001:db8:a2b4:88::1/64 command? | It applies an IPv6 address to the virtual interface. |
| Which one is a type of IPv6 unicast address? | Loopback |
| What are two types of IPv6 unicast addresses? | 1. loopback 2. link-local |
| After making configuration changes on a Cisco switch, a network administrator issues a copy running-config startup-config command. What is the result of issuing this command? | The new configuration will be loaded if the switch is restarted. |
| It is an interface input error that are usually indicate a media or cable error? | Crc errors |
| A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# ip address 172.18.33.88 255.255.255.0 command? | It applies an IPv4 address to the virtual interface. |
| Refer to the exhibit. Consider the IP address configuration shown from PC1. What is a description of the default gateway address? | It is the IP address of the Router1 interface that connects the PC1 LAN to Router1. |
| Refer to the exhibit. A network administrator is connecting a new host to the Service LAN. The host needs to communicate with remote networks. What IP address would be configured as the default gateway on the new host? | 172.29.157.156 |
| --Which command is used to enable logging in console interface? | login |
| Which configuration mode you use copy running-config startup-config command? | R1# |
| --You can verify vlan by using the ipconfig command. | False |
| What type of VLAN supports untagged traffic? | native VLAN |
| Store-and-Forward switching have error checking and buffering characteristics. | True |
| Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame? | store-and-forward switching |
| Refer to the exhibit. What is the destination MAC address of the Ethernet frame as it leaves the web server if the final destination is PC1? | 00-60-2F-3A-07-CC |
| Port Fa0/11 on a switch is assigned to VLAN 30. If the command no switchport access vlan 30 is entered on the Fa0/11 interface, what will happen? | Port Fa0/11 will be returned to VLAN 1. |
| The (show interfaces interface-type interface number) command can show both data and voice VLANs assigned to the interface. | True |
| Match the IEEE 802.1Q standard VLAN tag field with the description. A VLAN number. | - VLAN ID |
| A value for the tag protocol ID value | Type |
| A VLAN number | VLAN ID |
| A value that supports level or service implementation | User Priority |
| An indentifier that enables Token Ring frames to be carried across Ethemet links | Canonical Format Identifier |
| What is one advantage of using the cut-through switching method instead of the store-and-forward switching method? | has a lower latency appropriate for high-performance computing applications |
| --VLAN 1006-4095 are used by service providers. | True |
| --The switch cannot use either the store-and-forward or cut-through method of switch forwarding. | False |
| It is a DTP mode that requires manual configuration of trunking or nontrunking. | - Nonegotiate |
| Requires manual configuration of trunking or nontrunking | Nonegotiate |
| Actively attemps to conver the link to a trunk | Dynamic desirable |
| Permanent trunking mode | Trunk |
| Passively waits for the neighbor to initiate trunking | Dynamic auto |
| --What is one distinction between Layer 2 and Layer 3 operations at the core? | The Layer 2 core manages its redundant links using STP, the Layer 3 core manages redundant links using a routing protocol. |
| Under which circumstance is a router on a stick most appropriate? | When a router have multiple subnets on a single physical link |
| Refer to the exhibit. What is the cause of the error that is displayed in the configuration of inter-VLAN routing on router CiscoVille? | The encapsulation dot1Q 20 command has not been configured. |
| Which function enables an administrator to route multiple VLANs on a router? | router on a stick |
| --What is the primary advantage of using a trunk link? | Reduction of router and switch ports |
| -- The show ip interfaces brief command is used to verify the status and IP | True |
| --A ______ is a point-to-point link between two network devices. | trunk |
| Refer to the exhibit. PC1 is unable to communicate with server 1. The network administrator issues the show interfaces trunk command to begin troubleshooting. What conclusion can be made based on the output of this command? | Interface G0/2 is not configured as a trunk. |
| ------------------------------------------------------------------------- | |
| A new network administrator has been asked to enter a banner message on a Cisco device. What is the fastest way a network administrator could test whether the banner is properly configured? | exit privileged EXEC mode and press Enter |
| What is a characteristic of RAM on a Cisco device? | The configuration that is actively running on the device is stored in RAM. |
| What are two characteristics of RAM on a Cisco device? | 1. The configuration that is actively running on the device is stored in RAM. 2. The contents of RAM are lost during a power cycle. |
| A network administrator enters the service password-encryption command into the configuration mode of a router. What does this command accomplish? | This command prevents someone from viewing the running configuration passwords. |
| It required to have description on an interface of a router. | False |
| Which one is the first phase during the boot up process of a Cisco router? | perform the POST and load the bootstrap program |
| Which configuration mode you use interface fastethernet 0/0 command? | R1(config)# |
| A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# shutdown command? | It disables a virtual or physical switch interface. |
| What is a characteristic of an SVI? | It provides a means to remotely manage a switch. |
| What are three characteristics of an SVI? | 1. It is not associated with any physical interface on a switch. 2. It provides a means to remotely manage a switch. 3. It is associated with VLAN1 by default. |
| A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# duplex full command? | It allows data to flow in both directions at the same time on the interface. |
| To support SSH in a Cisco Switch. The IOS version should have a filename that has? | K9 |
| A technician is programming switch SW3 to manage voice and data traffic through port Fa0/20. What, if anything, is wrong with the configuration? | The command used to assign the voice VLAN to the switch port is incorrect. |
| A switch build a MAC address table, also known as ___________. | CAM table/Content Addressable Memory Table |
| The concept of Store-and-Forward switching is appropriate for switches needing latency to be under 10 microseconds. | False |
| What is an example of a cut-through switching method? | fast-forward switching |
| What are two examples of the cut-through switching method? | 1. fast-forward switching 2. fragment-free switching |
| Which advantage does the store-and-forward switching method have compared with the cut-through switching method? | frame error checking |
| What is the purpose of the FCS field in a frame? | to determine if errors occurred in the transmission and reception |
| Which switch characteristic helps keep traffic local and alleviates network congestion? | high port density |
| What type of VLAN is designed to have a delay of less than 150 ms across the network? | voice VLAN |
| Refer to the exhibit. In what switch mode should port G0/1 be assigned if Cisco best practices are being used? | trunk |
| To enable router on a stick on a router subinterface, which is a step must you perform? | configure the subinterface with an IP address |
| To enable router on a stick on a router subinterface, which two steps must you perform? | 1. configure the subinterface with an IP address 2. configure encapsulation dot1q |
| What is the purpose of the switch command switchport access vlan 99? | to assign the port to a particular VLAN |
| Inter-VLAN routing is the process of forwarding network traffic from one VLAN to another VLAN | True |
| Which statement IS true about interVLAN routing in the topology that is shown in the exhibit? | The FastEthernet 0/0 interface on Router1 and Switch2 trunk ports must be configured using the same encapsulation type |
| Refer to the exhibit. Which two statements are true about interVLAN routing in the topology that is shown in the exhibit? | 1. The FastEthernet 0/0 interface on Router1 must be configured with subinterfaces. 2. The FastEthernet 0/0 interface on Router1 and the FastEthernet 0/1 interface on Switch2 trunk ports must be configured using the same encapsulation type. |
| You can verify the router’s subinterface status by using show ip interface brief command. | True |
| ------------------------------------------------------------- | |
| A router boots and enters setup mode. What is the reason for this? | The configuration file is missing from NVRAM. |
| --Which command is used to setup a password in console interface? | password password |
| --What command you are going to from a PC to SSH a switch in Packet Tracer? | ssh -i username ip address |
| A technician is configuring a new Cisco 2960 switch. What is the effect of issuing the BranchSw(config-if)# exit command? | It returns to global configuration mode |
| If one end of an Ethernet connection is configured for full duplex and the other end of the connection is configured for half duplex, where would late collisions be observed? | on the half-duplex end of the connection |
| --Broadcast domain is also called MAC broadcast domain. | True |
| Egress is the entering interface. | False; The term egress describes the port that frames will use when leaving the device. |
| Management VLAN is used for dedicated to user-generated traffic. | False; Data VLAN is the one being described |
| Which is a characteristic describe the native VLAN? | The native VLAN traffic will be untagged across the trunk link. |
| Which two characteristics describe the native VLAN? | 1. The native VLAN traffic will be untagged across the trunk link. 2. The native VLAN provides a common identifier to both ends of a trunk. |
| What type of VLAN is initially the management VLAN? | default VLAN |
| When there is full duplex on the link, the collision domains are eliminated. | False; There are no collision domains when switch ports are operating in full-duplex |
| VLAN details are stored in the config.txt file | False; they are stored on a file with the name of "vlan.dat". |
| It is a DTP mode that is a permanent trunking mode. | Trunk |
| What happens to switch ports after the VLAN to which they are assigned is deleted? | The ports stop communicating with the attached devices. |
| Refer to the exhibit. All workstations are configured correctly in VLAN 20. Workstations that are connected to switch SW1 are not able to send traffic to workstations on SW2. What could be done to remedy the problem? | Allow VLAN 20 on the trunk link. |
| Which type of VLAN is used to designate which traffic is untagged when crossing a trunk port? | native |
| --How many VLANs can you create with subinterfaces on a FastEthernet interface? | 1000-- |
| --Using legacy inter-VLAN routing, how many physical router interfaces have to be configured to support 5 VLANs? | 5? |
| Which command displays the encapsulation type, the voice VLAN ID, and the access mode VLAN for the Fa0/1 interface? | show interfaces Fa0/1 switchport |
| For what reason would a network administrator use the show interfaces trunk command on a switch? | to view the native VLAN |
Created by:
Jsean-Ed_DR