NWC203 19

True or False?Authorized users are not considered a security threat to the network.

• true

• false

Which type of attack exploits human behavior to gain confidential information?​

• virus

• social engineering

• denial of service

• spyware

Which type of attack involves an attacker using a powerful computer to try a large number of possible passwords in rapid succession to gain access to a system​?

• brute force

• phishing

• pretexting

• DDoS

Which two networking devices are used in enterprise networks for providing network connectivity to end devices? (Choose two.)

• firewall

• router

• wireless access point

• DNS server

• LAN switch

Which two protocols can be used to access a Cisco switch for in-band management? (Choose two.)

• SSH

• FTP

• Telnet

• DHCP

• SMTP

A Cisco switch has Gigabit Ethernet ports. HostA has a 10/100 Ethernet NIC and HostB has a 10/100/1000 Ethernet NIC. At what speed will each host operate if they are connected to the Gigabit Ethernet ports? (Choose 2.)

• Host B will operate at 100Mb/s.

• Host B will operate at 10Mb/s.

• Host A will operate at 100Mb/s.

• Host A will operate at 1000Mb/s.

• Host B will operate at 1000Mb/s.

What is the purpose of the console port?

• provide in-band management of the switch

• send data between two host computers

• provide out-of-band management for a router or switch

• to connect the switch to the router

A network administrator is working on a Cisco router. The CLI prompt is Router1(config-if)#. Which operation is the administrator likely to configure next?

• the console port

• a LAN interface

• the vty lines

What is the difference between the terms keyword and argument in the IOS command structure?

• A keyword is entered with a predefined length. An argument can be any length.

• A keyword is a specific parameter. An argument is not a predefined variable.

• A keyword is required to complete a command. An argument is not.

• A keyword always appears directly after a command. An argument does not.

A network administrator is troubleshooting inter-connection issues between routers. Which show command can be used to check which networks the router is connected?

• show ip route

• show interfaces

• show arp

• show protocols