单项选择题How many channels are defined in the IEEE 802.11b DSSS channel set?()

A.3
B.4
C.11
D.13
E.14


您可能感兴趣的试卷

你可能感兴趣的试题

1.单项选择题Which signal and noise values will result in the best phone communication with an access point?()

A. signal strength 46dBm, noise level 95dBm
B. signal strength 74dBm, noise level 94dBm
C. signal strength 68dBm, noise level 79dBm
D. signal strength 50dBm, noise level 56dBm

3.多项选择题Which three of these are elements of the Cisco Unified Wireless Network architecture?()

A. cell phones
B. remote access
C. mobility services
D. network management
E. network unification
F. network decentralization

5.多项选择题Which two statements about Cisco Security Management Suite are correct?()

A. It should be implemented in a management VLAN.
B. Its connection to managed devices should be over a data VLAN.
C. It is made up of Cisco Security MARS and Clean Access software.
D. It should be deployed as close to the edge of the network as possible.
E. It delivers policy administration and enforcement for the Cisco Self-Defending Network.

6.多项选择题Which three mechanisms are used to secure management traffic from outside IPS sensors?()

A. secure tunnels
B. a separate management VLAN
C. secure VLANs to isolate sensors
D. an out-of-band path around the firewall
E. asymmetric traffic flows to isolate sensors
F. private VLANs to put all sensors on isolated ports

7.多项选择题In which two locations in an enterprise network can an IPS sensor be placed?()

A. bridging VLANs on two switches
B. bridging two VLANs on one switch
C. between two Layer 2 devices withtrunking
D. between two Layer 2 devices withouttrunking
E. between a Layer 2 device and a Layer 3 device withtrunking

8.多项选择题Which two of these correctly describe asymmetric routing and firewalls?()

A. only operational in routed mode
B. only operational in transparent mode
C. only eight interfaces can belong to an asymmetric routing group
D. operational in both failover and non-failover configurations
E. only operational when the firewall has been configured for failover

9.多项选择题Which two statements about an interface configured with the asr-group command are correct?()

A. The FWSM supports up to 16 asymmetric routing groups.
B. If a matching packet is not found, the packet is dropped.
C. Asymetric routing of return traffic is enabled.
D. If a matching packet is found, the Layer 3 header is rewritten.
E. If a matching packet is found, the Layer 3 header is rewritten and the packet is forwarded to the default gateway.

10.多项选择题Which three of the following descriptions are true about the firewall modes? ()

A. Transparent mode is layer 2.
B. Routed mode is layer 3.
C. Routed mode has 1 IP address.
D. Transparent mode has 1 IP address.

最新试题

Which of the following is the primary consideration to scale VPNs?()

题型:单项选择题

In which tunnel-less VPN topology do group members register with a key server in order to receive the security association necessary to communicate with the group?()

题型:单项选择题

Which of these is true of a Layer 3 out-of-band NAS deployment?()

题型:单项选择题

Which two of these are advantages of placing the VPN device in the DMZ on the firewall?()

题型:多项选择题

Which signal and noise values will result in the best phone communication with an access point?()

题型:单项选择题

How many channels are defined in the IEEE 802.11b DSSS channel set?()

题型:单项选择题

In which NAS operating mode are ACL filtering and bandwidth throttling only provided during posture assessment?()

题型:单项选择题

Which of these is a benefit of using Network Admission Control instead of Cisco Identity Based Networking Services?()

题型:单项选择题

Which of these statements is true of routing protocols in a hub-and-spoke IPsec VPN topology?()

题型:单项选择题

Please match the Cisco STP enahancement term to its definition.()(1) BPDU guard(2) PortFast(3) BackboneFast(4) Loop guard(5) Root guard(a) shuts down a port that receives a BPDU when enabled(b) cuts convergence time by mas-age for indirect failure(c) prevents the aliernate or root port from being designated in absence of BPDUs(d )causes Layer 2 LAN interface access port to immediately enter the forwarding state(e) helps prevent bridging loops due to jni-directional link failures on point-to-point links

题型:单项选择题