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السؤال #1
What two conclusions should be made about this configuration? (Choose two.)
A. The root port is FastEthernet 2/1
B. The designated port is FastEthernet 2/1 C
E. The spanning-tree mode is Rapid PVST+
عرض الإجابة
اجابة صحيحة: B
السؤال #2
Which two options are the best reasons to use an IPV4 private IP space? (Choose two.)
A. to enable intra-enterprise communication
B. to implement NAT C
E. to manage routing overhead
عرض الإجابة
اجابة صحيحة: AC
السؤال #3
An engineer must add a subnet for a new office that will add 20 users to the network. Which IPv4 network and subnet mask combination does the engineer assign to minimize wasting addresses?
A. 10
B. 10
عرض الإجابة
اجابة صحيحة: C
السؤال #4
When configuring IPv6 on an interface, which two IPv6 multicast groups are joined? (Choose two.)
A. 2000::/3
B. 2002::5 C
عرض الإجابة
اجابة صحيحة: C
السؤال #5
What is the destination MAC address of a broadcast frame?
A. 00:00:0c:07:ac:01 B
عرض الإجابة
اجابة صحيحة: C
السؤال #6
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
عرض الإجابة
اجابة صحيحة: C
السؤال #7
What is the expected outcome when an EUI-64 address is generated?
A. The interface ID is configured as a random 64-bit value
B. The characters FE80 are inserted at the beginning of the MAC address of the interface C
عرض الإجابة
اجابة صحيحة: AB
السؤال #8
What is the difference regarding reliability and communication type between TCP and UDP?
A. TCP is reliable and is a connectionless protocol; UDP is not reliable and is a connection-oriented protocol
B. TCP is not reliable and is a connectionless protocol; UDP is reliable and is a connection-oriented protocol
عرض الإجابة
اجابة صحيحة: D
السؤال #9
Several new coverage cells are required to improve the Wi-Fi network of an organization. Which two standard designs are recommended? (Choose two.)
A. 5GHz provides increased network capacity with up to 23 nonoverlapping channels
B. 5GHz channel selection requires an autonomous access point
E. For maximum throughput, the WLC is configured to dynamically set adjacent access points to the channel
عرض الإجابة
اجابة صحيحة: A
السؤال #10
Which command automatically generates an IPv6 address from a specified IPv6 prefix and MAC address of an interface?
A. ipv6 address dhcp
B. ipv6 address 2001:DB8:5:112::/64 eui-64 C
عرض الإجابة
اجابة صحيحة: C
السؤال #11
A network engineer must create a diagram of a multivendor network. Which command must be configured on the Cisco devices so that the topology of the network can be mapped?
A. Device(config)#lldp run
B. Device(config)#cdp run C
عرض الإجابة
اجابة صحيحة: AD
السؤال #12
Which WAN access technology is preferred for a small office / home office architecture?
A. broadband cable access
B. frame-relay packet switching C
عرض الإجابة
اجابة صحيحة: AE
السؤال #13
Which action is taken by switch port enabled for PoE power classification override?
A. If a monitored port exceeds the maximum administrative value for power, the port is shutdown and err-disabled
B. When a powered device begins drawing power from a PoE switch port, a syslog message is generated
عرض الإجابة
اجابة صحيحة: BE
السؤال #14
A corporate office uses four floors in a building. Floor 1 has 24 users. Floor 2 has 29 users. Floor 3 has 28 users. Floor 4 has 22 users. Which subnet summarizes and gives the most efficient distribution of IP addresses for the router configuration?
A. 192
B. 192
عرض الإجابة
اجابة صحيحة: D
السؤال #15
Which three statements about MAC addresses are correct? (Choose three.)
A. To communicate with other devices on a network, a network device must have a unique MAC address
B. The MAC address is also referred to as the IP address C
E. An example of a MAC address is 0A:26:B8:D6:65:90
F. A MAC address contains two main components, the first of which identifies the network on which the host resides and the second of which uniquely identifies the host on the network
عرض الإجابة
اجابة صحيحة: D
السؤال #16
What is a characteristic of spine-and-leaf architecture?
A. Each link between leaf switches allows for higher bandwidth
B. It provides greater predictability on STP blocked ports
عرض الإجابة
اجابة صحيحة: C
السؤال #17
Which action must be taken to assign a global unicast IPv6 address on an interface that is derived from the MAC address of that interface?
A. explicitly assign a link-local address
B. disable the EUI-64 bit process C
عرض الإجابة
اجابة صحيحة: C
السؤال #18
How does CAPWAP communicate between an access point in local mode and a WLC? A.The access point must not be connected to the wired network, as it would create a loop
B. The access point must be connected to the same switch as the WLC C
عرض الإجابة
اجابة صحيحة: B
السؤال #19
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
عرض الإجابة
اجابة صحيحة: B
السؤال #20
Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4? (Choose two.)
A. It establishes a static route to the 172
B. It establishes a static route to the 192
E. It uses the default administrative distance
F. It is a route that would be used last if other routes to the same destination exist
عرض الإجابة
اجابة صحيحة: B
السؤال #21
An office has 8 floors with approximately 30-40 users per floor. What command must be configured on the router Switched Virtual Interface to use address space efficiently?
A. ip address 192
B. ip address 192
عرض الإجابة
اجابة صحيحة: D
السؤال #22
Which two WAN architecture options help a business scalability and reliability for the network? (Choose two.)
A. asychronous routing
B. single-homed branches C
E. dynamic routing
عرض الإجابة
اجابة صحيحة: BD
السؤال #23
Which outcome is expected when PC_A sends data to PC_B?
A. The source MAC address is changed
B. The destination MAC address is replaced with ffff
عرض الإجابة
اجابة صحيحة: B
السؤال #24
Which IPv6 address type provides communication between subnets and cannot route on the Internet? A.link-local
B. unique local C
عرض الإجابة
اجابة صحيحة: B
السؤال #25
A wireless administrator has configured a WLAN; however, the clients need access to a less congested 5-GHz network for their voice quality. What action must be taken to meet the requirement?
A. enable Band Select
B. enable DTIM C
عرض الإجابة
اجابة صحيحة: C
السؤال #26
Which IPv6 address block forwards packets to a multicast address rather than a unicast address?
A. 2000::/3 B
عرض الإجابة
اجابة صحيحة: BD
السؤال #27
A device detects two stations transmitting frames at the same time. This condition occurs after the first 64 bytes of the frame is received. Which interface counter increments?
A. runt B
عرض الإجابة
اجابة صحيحة: D
السؤال #28
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
عرض الإجابة
اجابة صحيحة: C
السؤال #29
Which statement identifies the functionality of virtual machines?
A. The hypervisor communicates on Layer 3 without the need for additional resources
B. Each hypervisor can support a single virtual machine and a single software switch
عرض الإجابة
اجابة صحيحة: C
السؤال #30
What are two benefits that the UDP protocol provide for application traffic? (Choose two.)
A. UDP traffic has lower overhead than TCP traffic
B. UDP provides a built-in recovery mechanism to retransmit lost packets C
E. The application can use checksums to verify the integrity of application data
عرض الإجابة
اجابة صحيحة: AE
السؤال #31
Which IPv6 address block sends packets to a group address rather than a single address?
A. 2000::/3 B
عرض الإجابة
اجابة صحيحة: D
السؤال #32
What are two descriptions of three-tier network topologies? (Choose two.)
A. The distribution layer runs Layer 2 and Layer 3 technologies
B. The network core is designed to maintain continuous connectivity when devices fail C
E. The core and distribution layers perform the same functions
عرض الإجابة
اجابة صحيحة: D
السؤال #33
What is the binary pattern of unique ipv6 unique local address?
A. 00000000
B. 11111100 C
عرض الإجابة
اجابة صحيحة: A
السؤال #34
Which technique can you use to route IPv6 traffic over an IPv4 infrastructure? A.NAT
B. 6 to 4 tunneling C
عرض الإجابة
اجابة صحيحة: AB
السؤال #35
An engineer must configure a /30 subnet between two routes. Which usable IP address and subnet mask combination meets this criteria?
A. interface e0/0 description to XX-AXXX:XXXXX ip address 10
B. interface e0/0 description to XX-AXXX:XXXXX ip address 192
عرض الإجابة
اجابة صحيحة: C
السؤال #36
What is a benefit of using a Cisco Wireless LAN Controller?
A. It eliminates the need to configure each access point individually
B. Central AP management requires more complex configurations
عرض الإجابة
اجابة صحيحة: D
السؤال #37
What is the default behavior of a Layer 2 switch when a frame with an unknown destination MAC address is received?
A. The Layer 2 switch forwards the packet and adds the destination MAC address to its MAC address table
B. The Layer 2 switch sends a copy of a packet to CPU for destination MAC address learning
عرض الإجابة
اجابة صحيحة: DE
السؤال #38
What are two differences between optical-fiber cabling and copper cabling? (Choose two.)
A. A BNC connector is used for fiber connections
B. The glass core component is encased in a cladding C
E. Fiber connects to physical interfaces using RJ-45 connections
عرض الإجابة
اجابة صحيحة: CE
السؤال #39
Which function does the range of private IPv4 addresses perform?
A. allows multiple companies to each use the same addresses without conflicts
B. provides a direct connection for hosts from outside of the enterprise network C
عرض الإجابة
اجابة صحيحة: A
السؤال #40
Which type of IPv6 address is publicly routable in the same way as IPv4 public addresses?
A. multicast
B. unique local C
عرض الإجابة
اجابة صحيحة: D
السؤال #41
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
F. to allow detection of a remote device when its physical address is unknown
عرض الإجابة
اجابة صحيحة: A
السؤال #42
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
Using direct sequence spread spectrum, which three 2. -GHz channels are used to limit collisions? A
عرض الإجابة
اجابة صحيحة: C
السؤال #43
Which two goals reasons to implement private IPv4 addressing on your network? (Choose two.) A.Comply with PCI regulations
B. Conserve IPv4 address C
E. Comply with local law
عرض الإجابة
اجابة صحيحة: BC
السؤال #44
What are two benefits of private IPv4 IP addresses? (Choose two.)
A. They are routed the same as public IP addresses
B. They are less costly than public IP addresses
E. They eliminate duplicate IP conflicts
عرض الإجابة
اجابة صحيحة: C
السؤال #45
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
E. ip address dynamic
عرض الإجابة
اجابة صحيحة: AE
السؤال #46
What are two reasons that cause late collisions to increment on an Ethernet interface? (Choose two.) A.when Carrier Sense Multiple Access/Collision Detection is used B.when one side of the connection is configured for half-duplex C.when the sending device waits 15 seconds before sending the frame again D.when a collision occurs after the 32nd byte of a frame has been transmitted E.when the cable length limits are exceeded
What are two reasons that cause late collisions to increment on an Ethernet interface? (Choose two. A
عرض الإجابة
اجابة صحيحة: B
السؤال #47
What occurs to frames during the process of frame flooding?
A. Frames are sent to all ports, including those that are assigned to other VLANs
B. Frames are sent to every port on the switch that has a matching entry in MAC address table
عرض الإجابة
اجابة صحيحة: A
السؤال #48
Which statement explains the configuration error message that is received?
A. It belongs to a private IP address range
B. The router does not support /28 mask
عرض الإجابة
اجابة صحيحة: D
السؤال #49
A network technician is asked to design a small network with redundancy. The exhibit represents this design, with all hosts configured in the same VLAN. What conclusions can be made about this design?
A. This design will function as intended
B. Spanning-tree will need to be used
E. The router interfaces must be encapsulated with the 802
عرض الإجابة
اجابة صحيحة: ADE
السؤال #50
How do TCP and UDP differ in the way they provide reliability for delivery of packets?
A. TCP does not guarantee delivery or error checking to ensure that there is no corruption of data, UDP provides message acknowledgement and retransmits data if lost
B. TCP provides flow control to avoid overwhelming a receiver by sending too many packets at once, UDP sends packets to the receiver in a continuous stream without checking
عرض الإجابة
اجابة صحيحة: C

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