單項(xiàng)選擇題Which type of attack is characterized by flood of packet that requesing a TCP connection to a server?()

A. denial of service
B. brute force
C. reconnaissance
D. Trojan horse


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題What is the default routing update period for RIPv2?()

A. 15 seconds
B. 30 seconds
C. 180 seconds
D. 240 seconds

2.單項(xiàng)選擇題An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?()

A. The PC has connectivity with a local host.
B. The PC has connectivity with a Layer 3 device.
C. The PC has a default gateway correctly configured
D. The PC has connectivity up to Layer 5 of the OSI model
E. The PC has the TCP/IP protocol stack correctly installed.

3.單項(xiàng)選擇題How does using the service password encryption command on a router provide additional security? ()

A. by encrypting all passwords passing through the router
B. by encrypting passwords in the plain text configuration file
C. by requiring entry of encrypted passwords for access to the device
D. by configuring an MD5 encrypted key to be used by routing protocols to validate routing exchanges
E. by automatically suggesting encrypted passwords for use in configuring the router

4.單項(xiàng)選擇題What is the maximum data rate specified for IEEE 802.11b WLANs?()

A. 10 Mbps
B. 11 Mbps
C. 54 Mbps
D. 100 Mbps

最新試題

Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?()

題型:單項(xiàng)選擇題

What is the subnetwork address for a host with the IP address 201.100.5.68/28?()

題型:單項(xiàng)選擇題

Which device might be installed at a branch office to enable and manage an IPsec site-to-site VPN?()

題型:單項(xiàng)選擇題

Which IPsec security protocol should be used when confidentiality is required?()

題型:單項(xiàng)選擇題

A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?()

題型:單項(xiàng)選擇題

A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?()

題型:單項(xiàng)選擇題

Which statement is true, as relates to classful or classless routing?()

題型:單項(xiàng)選擇題

When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()

題型:單項(xiàng)選擇題

While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?()

題型:單項(xiàng)選擇題

At which layer of the OSI model is RSTP used to prevent loops?()

題型:單項(xiàng)選擇題