Top IT industry experts and professionals make sure that the students get thoroughly researched 100% authentic answers. Flydumps Cisco 642-845 exam sample questions includes Cisco 642-845 exam questions answers and online EXIN ISFS is extremely important for the real Cisco 642-845 certification. Flydumps simulator exam containing 90 questions is designed in a way that could help you pass the exam with no other books or helping materials and more effective. With our Cisco 642-845 exam sample questions you will feel on top of the illusive Cisco 642-845 exam.
QUESTION 131
When QoS levels in the Cisco Wireless Control System (WCS) are entered, which profile names are used to identify the access categories?
A. platinum, gold, silver, and bronze
B. voice, gold, silver, and bronze
C. low delay, network critical, business, best effort
D. voice, video, background gold, background silver, and best effort
E. voice, video, best effort, and background F. voice, video, best effort, background, and scavenger
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 132
Refer to the exhibit. Which two statements are correct about the implementation of QoS across the WANs that are shown? (Choose two.)
A. QoS cannot be maintained across WAN A.
B. The service provider is not involved in providing QoS services in WAN A.
C. The service provider can provide QoS services through the cloud in WAN A.
D. QoS cannot be maintained across WAN B
E. The service provider is not involved in providing QoS services in WAN B.
F. The service provider can provide QoS services through the cloud in WAN B.
Correct Answer: BF Section: (none) Explanation
Explanation/Reference:
QUESTION 133
Refer to the exhibit. The network in the diagram has contracted with a service provider for the QoS levels that are shown. Which statement is correct about the QoS requirements for the campus and remote branch?
A. Because adequate levels of service are provided across the WAN, campus and remote branch QoS will not be required.
B. The enterprise campus can allow no more than 90 ms of delay, 10 ms of jitter, and 0.5% loss to maintain adequate levels of QoS for voice.
C. The enterprise remote branch can allow no more than 90 ms of delay, 10 ms of jitter, and 0.5% loss to maintain adequate levels of QoS for voice.
D. The enterprise campus plus the remote branch can allow no more than 90 ms of delay, 10 ms of jitter, and 0.5% loss to maintain adequate levels of QoS for voice.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 134
Which of the items stated is typically the most expensive method of improving QoS across WAN links?
A. advanced queuing
B. data compression
C. header compression
D. increasing link capacity
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 135
Which three functions can an Integrated Services Router perform in a VoIP network? (Choose three.)
A. voice stream mixing for conference calling
B. voice gateway
C. call admission control
D. analog or digital phone interfaces
E. XML application services
F. large scale dial plan application
Correct Answer: BCD Section: (none) Explanation
Explanation/Reference:
QUESTION 136
Using the fewest commands possible, drag the commands on the left to the blanks on the right to configure and apply a QoS policy that guarantees that voice packets receive 20 percent of the bandwidth on the S0/1/0 interface.
Answer
A.
Correct Answer: A Section: (none) Explanation Explanation/Reference:
QUESTION 137
To configure Control Plan Policing(CoPP) to deny Telnet access only from 10.1.1.1, drag the commands on the left to the boxes on the right and place the commands in the proper order.
Answer
A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 138
Drag each descriptor on the left to the QoS model on the right to which the descriptor applies. Not all descriptors apply.
Answer
A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 139
Drag the wireless 802.1e priority level groupings on the left to the appropriate Wi-Fi Multimedia(WMM) access categories on the right.(Not all groupings will be used) Answer
A.
B.
C.
D.
Correct Answer: Section: (none) Explanation
Explanation/Reference:
QUESTION 140
Drag each term on the left to its time definition on the right. There will be one term unused.
A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 141
Add a new wireless LAN controller (WLC) to the WCS wireless management server. From the left, drag each procedure to its step sequence on the right.
Answer A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 142
Drag each wireless EAP authentication protocol above to its definition below.
Answer A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 143
Drag each WLSE feature above to its benefit below.
Answer: A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 144
Drag Drop Drag the steps required to convert compressed digital signals to analog signals to their correct order on the right.
Answer
A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference: QUESTION 145
Exhibit:
Answer:
A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
QUESTION 146
Hotspot Answer:
A.
Correct Answer: A Section: (none) Explanation
Explanation/Reference:
Questions:162 Topology
QUESTION 147
Which three characteristics of the traffic flow are taken into consideration when the QoS-for-VPNs feature (QoS pre-classify) provides packet classification and applies appropriate QoS service on tunnel interfaces? (Choose three.)
A. IP precedence bits
B. DSCP bits
C. Original port numbers
D. DE bits
E. Source IP address
F. Destination IP address
Correct Answer: CEF Section: (none) Explanation
Explanation/Reference:
QUESTION 148
Which two statements about Cisco AutoQoS are true? (Choose two.)
A. A QoS service policy must already be enabled on the interface before Cisco AutoQoS can be enabled.
B. Any interface at or below 1.54 Mbps is classified as a low-speed interface.
C. AutoQoS uses Cisco network-based application recognition (NBAR) to identify various applications and traffic types
D. Cisco Express Forwarding (CEF) must be enabled at the interface or ATM PVC.
E. Cisco NBAR is a prerequisite for CEF.
F. On a serial interface, before AutoQoS is enabled, the clock rate command must be used to specify a bandwidth other than the default 1.54Mbps.
Correct Answer: CD Section: (none) Explanation
Explanation/Reference: QUESTION 149
When a router converts analog signals to digital signals as part of the VoIP process, it performs
four steps.
Which set of steps contains the steps in their correct sequence?
A. encoding optional compression quantization sampling
B. encoding quantization optional compression sampling
C. optional compression encoding sampling quantization
D. optional compression sampling encoding quantization
E. sampling quantization encoding optional compression
F. sampling quantization optional compression encoding
Correct Answer: E Section: (none) Explanation
Explanation/Reference:
QUESTION 150
Question: 150
What are three staid Extensible Authentication Protocol (EAP) types? (Choose three.)
A. LEAP
B. EAP-FAST
C. EAP-TLS
D. EAP-AES
E. WEAP
F. WEP
Correct Answer: ABC Section: (none) Explanation
Explanation/Reference:
QUESTION 151
What are three benefits of the Wireless LAN Solution Engine (WLSE)? (Choose three.)
A. The decentralized nature of WLSE helps reduce the time and resources that are required to manage a large number of WLAN devices.
B. WLSE helps simplify large-scale deployments by providing automatic configuration of new APs.
C. WLSE minimizes security vulnerabilities by providing security policy misconfiguration alerts and rogue AP detection.
D. WLSE provides AP utilization and client association reports, features which help with capacity planning.
E. WLSE can respond to required changes that are requested by APs.
F. WLSE increases productivity through customization with three possible levels of managemen lightweight, extended, and advanced.
Correct Answer: BCD Section: (none) Explanation
Explanation/Reference:
QUESTION 152
What is link fragmentation and interleaving (LFI)?
A. LFI is a QoS mechanism that allots bandwidth and enables the differentiation of traffic according to a policy.
B. LFI is a Layer 2 technique in which header information is sent only at the beginning of the session, stored in a dictionary, and then referenced in later packets by a short dictionary index.
C. LFI is a Layer 3 technique in which header information is sent only at the beginning of the session, stored in a dictionary, and then referenced in later packets by a short dictionary index.
D. LFI is a Layer 2 technique in which large frames are broken into small, equal-sized fragments and transmitted over the link in an interleaved fashion.
E. LEI is a Layer 2 technique in which smaller fragments are combined into large, equal-sized frames, and transmitted over the link in an interleaved fashion.
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 153
Which two statements about packet marking at the data link layer are true? (Choose two.)
A. Through the use of DE markings, Frame Relay QoS supports up to 10 classes of service.
B. Frames maintain their class of service (CoS) markings when transiting a non-802.1p link.
C. IEEE 802.1p supports up to 10 class of service (CoS) markings.
D. In an 802.1q frame, the 3-bit 802.1p priority field is used to identify the class of service (CoS) priority.
E. The 802.1p CoS markings are preserved through the LAN, but are not maintained end to end.
Correct Answer: DE Section: (none) Explanation
Explanation/Reference:
QUESTION 154
Which two wireless security statements are true? (Choose two.)
A. A TACACS+ server is required to implement 802.1x.
B. MIC protects against man-in-the-middle and replay attacks.
C. The 802.1x standard provides encryption services for wireless clients.
D. The AES (symmetric block cipher) is specified in the IEEE 802.11i specification.
E. The IEEE 802.11i specification uses RC4 as its encryption mechanism.
F. WPA requires TKIP and AES as encryption methods.
Correct Answer: BD Section: (none) Explanation
Explanation/Reference:
QUESTION 155
Which two statements are true about traffic shaping and traffic policing? (Choose two.)
A. Both traffic shaping and traffic policing cause retransmissions of connection-oriented protocols such as TCP.
B. Both traffic shaping and traffic policing support the marking and re-marking of traffic.
C. The effects of traffic shaping and traffic policing when configured on a router are applied to outgoing traffic.
D. Traffic shaping queues excess traffic whereas traffic policing discards excess traffic.
E. Traffic shaping allows the traffic to exceed the bit rate whereas traffic policing prevents the traffic from exceeding the bit rate.
Correct Answer: CD Section: (none) Explanation
Explanation/Reference:
QUESTION 156
Which two queuing methods will allow a percentage of the available bandwidth to be allocated to each queue? (Choose two.)
A. First-in, first-out queuing (FIFO)
B. Priority queuing (PQ)
C. Custom queuing (CQ)
D. Weighted fair queuing (WFQ)
E. Class-based WFQ (CBWFQ)
F. Low latency queuing (LLQ)
Correct Answer: EF Section: (none) Explanation
Explanation/Reference:
QUESTION 157
Which classification tool can be used to classify traffic based on the HTTP URL?
A. Class-based policing
B. Policy-based routing (PBR)
C. Committed access rate (CAR)
D. Network-based application recognition (NBAR)
E. Dial peers
Correct Answer: D Section: (none) Explanation
Explanation/Reference:
QUESTION 158
What three types of interfaces do voice gateways use to connect to analog interfaces? (Choose three.)
A. E and M
B. E1 CCS
C. FXS
D. FXO
E. serial
F. T1 CAS
Correct Answer: ACD Section: (none) Explanation
Explanation/Reference:
If you prepare for the Cisco 642-845 exam using our FLYDUMPS Cisco 642-845 practice test, we guarantee your success in the first attempt. FLYDUMPS fully loaded questions and Cisco 642-845 real exam are the absolute perfect and preferred method of preparing for the Cisco 642-845 exams by thousands of successful certified professionals across the globe. The answers in the FLYDUMPS Cisco 642-845 practice test are written in detail to explain each and every point and completely answers that can come in your final exam. All you will need to do is send us proof of your failing grade, and fill out a special form that we will give you.
Cisco 642-845 PDF Dumps, Download Cisco 642-845 Practice Test 100% Pass With A High Score