Cisco 642-437 : Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0)

Various versions

We know that every user has their favorite. Therefore, we have provided three versions of 642-437 practice guide. You can choose according to your actual situation. If you like to use computer to learn, you can use PC version. If you like to write your own experience while studying, you can choose the PDF version. Our PDF version can be printed and you can take notes as you like. Or, you may like our 642-437 exam materials APP. You can use it anytime, anywhere. Of course, you don't have to worry about the difference in content. The contents of all versions of 642-437 learning engine are the same. You only need to consider which version is more suitable for you, and then buy it. Of course, we don't mind if you buy more than one version, as long as you think it is suitable.

Do you want to choose a lifetime of mediocrity or become better and pursue your dreams? I believe you will have your own pursuit. Perhaps you do not know how to go better our 642-437 learning engine will give you some help. The choice is like if a person is at a fork, and which way to go depends on his own decision. Fate is not an opportunity but a choice. As long as you choose our 642-437 exam materials, you will certainly do more with less. Your work efficiency will far exceed others. 642-437 practice guide has such effects they must have a lot of advantages.

Comprehensive content

You no longer have to buy information for each institution for an exam, nor do you need to spend time comparing which institution's data is better. 642-437 provides you with the most comprehensive learning materials. Our company employs the most qualified experts who hold a variety of information. At the same time, they use years of experience to create the most scientific 642-437 learning engine. No matter what kind of learning materials you need, you can find the best one for you. Our expert team has spent a lot of time and energy just to provide you with the best quality learning materials. 642-437 exam materials will definitely make you feel value for money. Your exam results will help you prove this!

Perfect service

From your first contact with our 642-437 practice guide, you can enjoy our excellent service. Before you purchase 642-437 exam materials, you can consult our online customer service. Even if you choose to use our trial version first, we will not give you any differential treatment. After your purchase of 642-437 learning engine, our system will send a link to your email in 5 to 10 minutes. You can contact our staff anytime and anywhere during the learning process. The staff of 642-437 study materials is online 24 hours a day, seven days a week. Our staff is really serious and responsible. We just want to provide you with the best service. I hope you enjoy using 642-437 exam materials.

Cisco 642-437 Exam Syllabus Topics:

Cisco Implementing Cisco Unified Communications Voice over IP and QoS v8.0 (CVOICE v8.0) Sample Questions:

1. Which statement about the DiffServ model is true?

A) DiffServ specifies a mechanism for classifying and managing network traffic and providing QoS on modern IP networks.
B) DiffServ provides traffic management using QoS classifications.
C) DiffServ is a way to provide the assurance of sufficiently low delay and packet loss for certain types of applications or traffic.
D) DiffServ is based on building a virtual circuit in the Internet using the bandwidth reservation technique.

2. You are configuring a Cisco Unified Border Element. What do you need to do to achieve address hiding?

A) Under the dial-peer configuration mode, issue the media flow-through command.
B) Under the dial-peer configuration mode, issue the codec flow-through command.
C) Under the voice service configuration mode, issue the media flow-around command.
D) Activate the voice service voip command at the dial-peer configuration mode.

3. When marking traffic for Expedited Forwarding, how does a device that is not capable of recognizing DSCP interpret the EF binary string 101110?

A) The device that cannot recognize DSCP will use best effort to forward the packet.
B) The device that does not recognize DSCP will use 110 as the CoS value and forward the packet with a CoS of 6.
C) The first device in the network that does not recognize DSCP will use 110 as the CoS value and will replace the DSCP value with a CoS of 6 and forward the packet.
D) The devices in the network that do not recognize DSCP will use the three high-order DSCP bits as the CoS setting, resulting in a CoS value of 5.

4. Calls are failing to reach the E1 PRI circuit on the PSTN gateway. Which command would be useful in determining if the dial peers are configured properly?

A) debug voice dial-peer
B) show controller e1 0/0/0
C) debug voice circuit
D) ccapi inout
E) debug isdn q921

5. Which three commands should you use to configure DHCP information on Cisco Unified Communications Manager Express? (Choose three.)

A) subnet mask
B) dns server
C) ip dhcp pool
D) network
E) ip address
F) default gateway
G) default-router

Solutions: