Question 41
Using direct sequence spread spectrum, which three 2.4-GHz channels are used to limit collisions?
A. 5, 6, 7
B. 1, 2, 3
C. 1, 6, 11
D. 1, 5, 10
Question 42
How do TCP and UDP differ in the way they guarantee packet delivery?
A. TCP uses retransmissions, acknowledgment, and parity checks, and UDP uses cyclic redundancy checks only
B. TCP uses two-dimensional parity checks, checksums, and cyclic redundancy checks, and UDP uses retransmissions only
C. TCP uses checksum, acknowledgements, and retransmissions, and UDP uses checksums only
D. TCP uses checksum, parity checks, and retransmissions, and UDP uses acknowledgements only
Question 43
A wireless administrator has configured a WLAN; however, the clients need access to a less congested 5-GHz network for their voice quality. Which action must be taken to meet the requirement?
A. enable Band Select
B. enable DTIM
C. enable RX-SOP
D. enable AAA override
Question 44
DRAG DROP - Drag and drop the application protocols from the left onto the transport protocols that it uses on the right. Select and Place:
Question 45
What is the destination MAC address of a broadcast frame?
A. 00:00:0c:07:ac:01
B. ff:ff:ff:ff:ff:ff
C. 43:2e:08:00:00:0c
D. 00:00:0c:43:2e:08
E. 00:00:0c:ff:ff:ff
Question 46
For what two purposes does the Ethernet protocol use physical addresses?
A. to uniquely identify devices at Layer 2
B. to allow communication with devices on a different network
C. to differentiate a Layer 2 frame from a Layer 3 packet
D. to establish a priority system to determine which device gets to transmit first
E. to allow communication between different devices on the same network
F. to allow detection of a remote device when its physical address is unknown
Question 47
DRAG DROP - Drag and drop the networking parameters from the left on to the correct values on the right. Select and Place:
Question 48
Which component of an Ethernet frame is used to notify a host that traffic is coming?
A. start of frame delimiter
B. Type field
C. preamble
D. Data field
Question 49
You are configuring your edge routers interface with a public IP address for Internet connectivity. The router needs to obtain the IP address from the service provider dynamically. Which command is needed on interface FastEthernet 0/0 to accomplish this?
A. ip default-gateway
B. ip route
C. ip default-network
D. ip address dhcp
E. ip address dynamic
Question 50
Which two statements about the purpose of the OSI model are accurate? (Choose two.)
A. Defines the network functions that occur at each layer
B. Facilitates an understanding of how information travels throughout a network
C. Changes in one layer do not impact other layer
D. Ensures reliable data delivery through its layered approach
