CCNA R&S | CCNA Routing And Switching

You are verifying the status of an interface. You run the show interface command and notice that there are several CRC errors. What does this represent?

What is used to copy frames that are received or sent on a switch port to another switch port on the same switch?

Refer to the |h %5coutput%5ct302%5cmisc%5c200105eo318.html exhibit. BGP has been preconfigured on the ISP side.

Which command starts the BGP process on R1?

Which Cisco service allows an administrator to examine the path that a specific type of packet travels as it makes its way across the network from a source to a destination node?

Which command will limit the level of system logging messages sent to a syslog server to emergency messages only?

You have purchased a new Cisco Catalyst switch. You want to configure it so that it will actively attempt to become a trunk when connected to a neighboring switch interface that is able to become a trunk. Which command should you use?

Which two fields is the OSPF hello packet contain information that must be agreed upon by both routers before an adjacency can form? (Choose two.)

Which tool is used to verify basic Layer 3 connectivity between two devices?

Which IPv6 command is required to be the first command executed on a router when configuring EIGRP?

Which command would you use to determine if a port has been error disabled?

The OSI and TCP/IP models provide a visual networking reference. Which layers of the OSI Reference Model map to the link layer of the TCP/IP stack? (Choose two.)

You need to notify all users that the router will be going down for maintenance. Which command would you use?

You are configuring a new Cisco router. You would like to turn off logging messages that appear on your session. Which command would allow you to do this?

Which type of traffic is described as bursty, greedy with regards to bandwidth required, and drop-sensitive?

Refer to the |h %5coutput%5ct226%5cmisc%5c200105eo121.html exhibit.

Which switch will be elected as the root bridge?

You have a named ACL with the following sequence numbers: 5, 10, 20, and 25. After performing a reload, what will be the new sequence numbers?

In an Ethernet Frame, which layer includes a checking mechanism to ensure that the packet of data has been transmitted without corruption?

When a Cisco switch learns about a new device on the network, what command is used to see the list of unique address associated with these devices?

You need to set the severity level of syslog messages to control the type of messages that are displayed on the consoles in your network.

Which severity level should you configure on a router to ensure that only emergency, alert, and critical messages will be displayed?

In which service model does the customer only manage applications and data?

Refer to the |h %5coutput%5ct262%5cmisc%5c200105eo235.html partial command output.

Which command was used to produce the partial output?

How often does a Cisco switch send a PAgP packet to check for updates in seconds?

The following has been configured for a switch's VTY lines:

switch(config)#line vty 0 15
switch(config-line)#login local
switch(config-line)#exit

No one is able to connect to the switch remotely. What would resolve this issue?

Refer to the |h %5coutput%5ct262%5cmisc%5c100105eo320.html exhibit. Based on the output from the exhibit, which routing protocols are less trusted by the router then the configured administrative distance?

You have been tasked with setting up a new network. Within your network, host computers need to be able to reach hosts on the Internet by using readable names and converting them to numeric addresses. So you decide to configure the appropriate protocol on your router. Which protocol needs to be configured on the router?

Which of the following is considered a trusted device in terms of QoS? (Choose two)

Your organization plans to deploy SNMP to collect information from network devices for diagnostic and maintenance purposes. Why would you suggest implementing SNMPv3?

You configured DHCP to dynamically allocate IP addresses. Which of the following is the first step of the DHCP process for configuring clients?

Which switch port violation mode drops traffic from non-secure MAC addresses while keeping count of packets dropped?

Which two statements are true with respect to OSPF or BGP? (Choose two.)

You would like to allow users to move around your company’s physical location, while still restricting access to certain networks. What can be implemented to allow this?

Which type of IPv6 address uses the FC00::/7 address block and is routable within an organization, but not across the Internet?

Which two configurations for LACP mode combinations will allow the formulation of an EtherChannel? (Choose three.)

You unbox a new Cisco switch that has not been configured. By default, which VLAN will be used by connected devices and for management purposes?

Which of the following are characteristics of RADIUS? (Choose three.)

Which layer of the SDN architecture is responsible for controlling all of the physical and virtual devices in the network?

Which is a layer of an SDN solution that is responsible for forwarding traffic?

Which two WAN connectivity methods allow you to create a broadband connection using PPPoE? (Choose two.)

You need to exclude the IP address range of 10.1.50.1 to 10.1.50.25 from the DHCP assignment. Which command should you use?

You are implementing an SDN solution. What is the function of the controller?

Which two routing protocols depend on directly connected neighbors for their view of the network? (Choose two.)

You need to create a static route to your central office. It must use an administrative distance of less than RIP. Which command would be used to accomplish this task?

You would like to limit certain IP address to access a switch via VTY lines. Which of the following commands would allow you to do this?

You are only concerned about how many MAC addresses can access a port when using port security, rather than which MAC address accesses a port. You also need a solution that clears out the MAC table after 5 minutes. This is this an example of which feature?

As part of the process to obtain a license for a Cisco router, you need to locate the router's product ID and serial number. Which IOS command will provide this information?

What is the main purpose of enabling DHCP snooping on a company’s network?

When comparing static routing to dynamic routing, when is it suggested to use static routing? (Choose three)

Refer to the |h %5coutput%5ct262%5cmisc%5c200105eo201.html exhibit. What is the purpose of router A in the network diagram?

When comparing static routing to dynamic routing, which two statements describe dynamic routing? (Choose TWO)

Which commands create an EIGRP routing process in IPv6 for AS 200 on router R2?

Review the following sequence of commands:

Branch(config)#ip access-list extended WEB_ONLY
Branch(config-ext-nacl)#permit tcp 10.1.1.0 0.0.0.255 any eq www
Branch(config-ext-nacl)#20 permit tcp 10.1.1.0 0.0.0.255 any eq 443

Which type of ACL is being created?

Which routing protocol has a hop count limit of 15?

You are implementing interVLAN routing using a Router-on-a-Stick configuration. Which command is used to associate 802.1Q tagged traffic from VLAN 3 with a subinterface?

You need to ensure that an OSPF router ID will not change. Which two tasks will accomplish this goal? (Choose two.)

What is used in an SDN deployment to provide communication between the controller and the various network devices?

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