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خذ اختبارات أخرى عبر الإنترنت
السؤال #1
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. to connect applications
D. to conserve global address space
E. to manage routing overhead
عرض الإجابة
اجابة صحيحة: AD
السؤال #2
A frame that enters a switch fails the Frame Check Sequence. Which two interface counters are incremented? (Choose two.)
A. input errors
B. frame
C. giants
D. CRC
E. runts
عرض الإجابة
اجابة صحيحة: AD
السؤال #3
How do TCP and UDP differ in the way that they establish a connection between two endpoints?
A. TCP uses the three-way handshake, and UDP does not guarantee message delivery
B. TCP uses synchronization packets, and UDP uses acknowledgment packets
C. UDP provides reliable message transfer, and TCP is a connectionless protocol
D. UDP uses SYN, SYN ACK, and FIN bits in the frame header while TCP uses SYN, SYN ACK, and ACK bits
عرض الإجابة
اجابة صحيحة: A
السؤال #4
In which way does a spine-and-leaf architecture allow for scalability in a network when additional access ports are required?
A. A spine switch and a leaf switch can be added with redundant connections between them
B. A spine switch can be added with at least 40 GB uplinks
C. A leaf switch can be added with connections to every spine switch
D. A leaf switch can be added with a single connection to a core spine switch
عرض الإجابة
اجابة صحيحة: C
السؤال #5
What identifies the functionality of virtual machines?
A. The hypervisor communicates on Layer 3 without the need for additional resources
B. Each hypervisor supports a single virtual machine and a single software switch
C. The hypervisor virtualizes physical components including CPU, memory, and storage
D. Virtualized servers run efficiently when physically connected to a switch that is separate from the hypervisor
عرض الإجابة
اجابة صحيحة: C
السؤال #6
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. ipv6 address autoconfig
D. ipv6 address 2001:DB8:5:112::2/64 link-local
عرض الإجابة
اجابة صحيحة: C
السؤال #7
What is the same for both copper and fiber interfaces when using SFP modules?
A. They support an inline optical attenuator to enhance signal strength
B. They accommodate single-mode and multi-mode in a single module
C. They provide minimal interruption to services by being hot-swappable
D. They offer reliable bandwidth up to 100 Mbps in half duplex mode
عرض الإجابة
اجابة صحيحة: C
السؤال #8
What are two functions of a server on a network? (Choose two.)
A. handles requests from multiple workstations at the same time
B. achieves redundancy by exclusively using virtual server clustering
C. housed solely in a data center that is dedicated to a single client achieves redundancy by exclusively using virtual server clustering
D. runs the same operating system in order to communicate with other servers
E. runs applications that send and retrieve data for workstations that make requests
عرض الإجابة
اجابة صحيحة: AE
السؤال #9
Which function is performed by the collapsed core layer in a two-tier architecture?
A. enforcing routing policies
B. marking interesting traffic for data policies
C. applying security policies
D. attaching users to the edge of the network
عرض الإجابة
اجابة صحيحة: A
السؤال #10
What is the primary function of a Layer 3 device?
A. to transmit wireless traffic between hosts
B. to analyze traffic and drop unauthorized traffic from the Internet
C. to forward traffic within the same broadcast domain
D. to pass traffic between different networks
عرض الإجابة
اجابة صحيحة: D
السؤال #11
Which two functions are performed by the core layer in a three-tier architecture? (Choose two.)
A. Provide uninterrupted forwarding service
B. Inspect packets for malicious activity
C. Ensure timely data transfer between layers
D. Provide direct connectivity for end user devices
E. Police traffic that is sent to the edge of the network
عرض الإجابة
اجابة صحيحة: AC
السؤال #12
A manager asks a network engineer to advise which cloud service models are used so employees do not have to waste their time installing, managing, and updating software that is only used occasionally. Which cloud service model does the engineer recommend?
A. infrastructure-as-a-service
B. platform-as-a-service
C. business process as service to support different types of service
D. software-as-a-service
عرض الإجابة
اجابة صحيحة: D
السؤال #13
What are two functions of a Layer 2 switch? (Choose two.)
A. acts as a central point for association and authentication servers
B. selects the best route between networks on a WAN
C. moves packets within a VLAN
D. moves packets between different VLANs
E. makes forwarding decisions based on the MAC address of a packet
عرض الإجابة
اجابة صحيحة: CE
السؤال #14
An engineer observes high usage on the 2.4GHz channels and lower usage on the 5GHz channels. What must be configured to allow clients to preferentially use 5GHz access points?
A. Client Band Select
B. Re-Anchor Roamed Clients
C. OEAP Spilt Tunnel
D. 11ac MU-MIMO
عرض الإجابة
اجابة صحيحة: A
السؤال #15
Under which condition is TCP preferred over UDP?
A. UDP is used when low latency is optimal, and TCP is used when latency is tolerable
B. TCP is used when dropped data is more acceptable, and UDP is used when data is accepted out-of-order
C. TCP is used when data reliability is critical, and UDP is used when missing packets are acceptable
D. UDP is used when data is highly interactive, and TCP is used when data is time-sensitive
عرض الإجابة
اجابة صحيحة: C
السؤال #16
Refer to the exhibit. Shortly after SiteA was connected to SiteB over a new single-mode fiber path, users at SiteA report intermittent connectivity issues with applications hosted at SiteB. What is the cause of the intermittent connectivity issue?
A. Interface errors are incrementing
B. High usage is causing high latency
C. An incorrect SFP media type was used at SiteA
D. The sites were connected with the wrong cable type
عرض الإجابة
اجابة صحيحة: A

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