net125 chapter 11 exam

the status of the switch interfaces and the address configured on interface vlan 1

A network administrator for a small campus network has issued the show ip interface brief command on a switch. What is the administrator verifying with this command?

-documentation of the current physical and logical topologies -analysis of the network traffic based on protocols, applications, and services used on the network -inventory of the devices that are currently used on the network

A network administrator for a small company is contemplating how to scale the network over the next three years to accommodate projected growth. Which three types of information should be used to plan for network growth?

a user who is trying to guess a password to access the router

A network administrator is issuing the login block-for 180 attempts 2 within 30 command on a router. Which threat is the network administrator trying to prevent?

It forces the trace to use IPv6.

A network technician issues the C:\> tracert -6 www.cisco.com command on a Windows PC. What is the purpose of the -6 command option?

The ARP cache is cleared.

A network technician issues the arp -d * command on a PC after the router that is connected to the LAN is reconfigured. What is the result after this command is issued?

devices with support for modularity

A newly hired network technician is given the task of ordering new hardware for a small business with a large growth forecast. Which primary factor should the technician be concerned with when choosing the new devices?

environmental

Some routers and switches in a wiring closet malfunctioned after an air conditioning unit failed. What type of threat does this situation describe?

the value of the configuration register

What information about a Cisco router can be verified using the show version command?

to list the content of the NVRAM

What is the purpose of issuing the commands cd nvram: then dir at the privilege exec mode of a router?

to require users to prove who they are

What is the purpose of the network security authentication function?

It allows a secure remote connection to the router command line interface.

What is the purpose of using SSH to connect to a router?

at regular intervals over a period of time

When should an administrator establish a network baseline?

terminal monitor

Which command should be used on a Cisco router or switch to allow log messages to be displayed on remotely connected sessions using Telnet or SSH?

copy startup-config tftp

Which command will backup the configuration that is stored in NVRAM to a TFTP server?

stateful packet inspection

Which firewall feature is used to ensure that packets coming into a network are legitimate responses initiated from internal hosts?

redundancy

Which network design consideration would be more important to a large corporation than to a small business?

CDP can be disabled globally or on a specific interface.

Which statement is true about CDP on a Cisco device?

-Never send the password through the network in a clear text. -Limit the number of unsuccessful attempts to log in to the server.

Which two actions can be taken to prevent a successful network attack on an email server account?

-Capture traffic during peak utilization times to get a good representation of the different traffic types. -Perform the capture on different network segments.

Which two statements describe how to assess traffic flow patterns and network traffic types using a protocol analyzer?

-voice -video

Which two traffic types require delay sensitive delivery?

pretending to be someone else by using stolen personal information to apply for a credit card

identity theft

obtaining trade secret documents illegally

information theft

VoIP

Fill in the blank. ____________ defines the protocols and technologies that implement the transmission of voice data over an IP network

show version

Fill in the blank. Do not use abbreviations. The ____________ command that is issued on a router is used to verify the value of the software configuration register.

file systems

Fill in the blank. Do not use abbreviations. The show ____________ command provides information about the amount of free nvram and flash memory with the permissions for reading or writing data.

installing virus code to destroy surveillance recordings for certain days -> data loss pretending to be someone else by using stolen personal information to apply for a credit card ->identity theft preventing user from accessing a website by sending a large number of link requests in a short period -> disruption of service obtaining trade secret documents illegally -> information theft

Match the type of information security threat to the scenario. (Not all options are used.)

R1

Refer to the exhibit. An administrator is trying to troubleshoot connectivity between PC1 and PC2 and uses the tracert command from PC1 to do it. Based on the displayed output, where should the administrator begin troubleshooting?

Something is causing a time delay between the networks.

Refer to the exhibit. Baseline documentation for a small company had ping round trip time statistics of 36/97/132 between hosts H1 and H3. Today the network administrator checked connectivity by pinging between hosts H1 and H3 that resulted in a round trip time of 1458/2390/6066. What does this indicate to the network administrator?

-Give the router a host name and domain name. -Generate a set of secret keys to be used for encryption and decryption.

Which two steps are required before SSH can be enabled on a Cisco router?

DoS attacks

Which type of network threat is intended to prevent authorized users from accessing resources?

installing virus code to destroy surveillance recordings for certain days

data loss

preventing users from accessing a website by sending a large number of link request in a short period

disruption of service