100-101 Questions Answers

Question No : 10

Which protocol uses a connection-oriented service to deliver files between end systems?

A. TFTP
B. DNS
C. FTP
D. SNMP
E. RIP

Answer : C

Explanation/Reference: FTP is an acronym for File Transfer Protocol. As the name suggests, FTP is used to transfer files between computers on a network.You can use FTP to exchange files between computer accounts, transfer files between an account and a desktop computer, or access online software archives.

100-101 Questions Answers

Question No : 9

Which layer of the TCP/IP stack combines the OSI model physical and data link layers?

A. Internet layer
B. transport layer
C. application layer
D. network access layer

Answer : D

Explanation/Reference : The Internet Protocol Suite, TCP/IP, is a suite of protocols used for communication over the internet.The TCP/IP model was created after the OSI 7 layer model for two major reasons. First, the foundation of the Internet was built using the TCP/IP suite and through the spread of the World Wide Web and Internet,TCP/IP has been preferred. Second, a project researched by the Department of Defense (DOD) consisted of creating the TCP/IP protocols. The DOD's goal was to bring international standards which could not be met by the OSI model. Since the DOD was the largest software consumer and they preferred the TCP/IP suite, most vendors used this model rather then the OSI. Below is a side by side comparison of the TCP/IP and OSI models.

100-101 Questions Answers

Question No : 8

Which OSI layer header contains the address of a destination host that is on another network?

A. application
B. session
C. transport
D. network
E. data link
F. physical


Answer : D

100-101 Questions Answers

Question No : 7

 Which three statements are true about the operation of a full-duplex Ethernet network? (Choose three.)

A. There are no collisions in full-duplex mode.
B. A dedicated switch port is required for each full-duplex node.
C. Ethernet hub ports are preconfigured for full-duplex mode.
D. In a full-duplex environment, the host network card must check for the availability of the network media before transmitting.
E. The host network card and the switch port must be capable of operating in full-duplex mode.

Answer : ABE

Cisco Opens Up About Its Struggle To Diversify Its Workforce

On Wednesday, the network giant Cisco Systems CISCO -0.98% released demographic data update employee. He stressed how difficult it is to increase for technology companies on the gender and ethnic diversity of its employees.

SPPL unlike Apple, Google 0.33%, 0.21% FB Facebook and many other players from Silicon Valley who recently opened the kimono in its demography, Cisco has information on the diversity of its employees since common 2005. And yet, despite the consistent data, the numbers do not move much in almost a decade.

Like most of his colleagues, Cisco template is mostly composed of Caucasian and Asian men. A total of 77% of the workforce is male, identified 54% of all workers (men and women combined) than Caucasian and 36% to Asia. The number of employees who had to identify themselves as Hispanic and African American, 5% and 3%, respectively. For the first time, Cisco has also started gender breakdown for specific functions, and the numbers are not even bleaker. 85% of technical positions in the company are held by men. When it comes to the manager, only 19% are women.

Cisco has a growing number of women in management team. Just last week, the company announced a new CFO, Kelly Kramer. She joins a handful of other women to management team of the company, including numbers Padmasree Warrior and Chief Information Officer Rebecca Jacoby.The technical and high-level strategy are important to us, but even more important are the conversations and the changes that we, Francine Katsoudas, HR and another woman on the management team of the company, said in an interview earlier this week.

Last, after a meeting with Facebook COO (and creator of lean meat in the women's movement) Sheryl Sandberg,weighed Cisco CEO John Chambers, on the topic and asked each year of its senior managers to diversify the workforce is a priority. After Cisco Katsoudas now who are not experiencing one woman in each panel survey talent,so each employee perspective is interviewed by at least one female executive. Katsoudas believes that this will help attract more women.

The numbers are not there yet, "says Katsoudas the plan." But directionally, go to way.Warrior, CTO of the company, says he is more concerned about the lack of women in technical roles. With the increasingly interdisciplinary technology, says Guerrero, there are new areas that open to women.We can do more as an industry and as a company, "Guerrero said in an interview with Fortune magazine.

To do this, Guerrero is personally mentor women in his team. Like other technology companies, Cisco has formed internal groups for employees (there is even a group called Real Change Cisco Men Defender) and partnered with organizations such as Girls Who Code to empower young women to love the computer. Earlier this year, the company also named Shari Slate their inclusion in chief and officer collaboration. So while diversity numbers have yet to yield, Cisco has started to put more action behind your desire to change.

Guerrero admits that Cisco numbers are far from where you would like them to be. But he says the company is taking steps in the right direction. And Guerrero is not willing to wait another decade for more change. The worst thing people say is that going to take time, says Guerrero.In technology, we are proud that the pace of change. Why can we not talk about that same rate of change when women in leadership?

100-101 Questions Answers

Question No :6

A network administrator is explaining VTP configuration to a new technician. What should the network administrator tell the new technician about VTP configuration? (Choose three.)

A. A switch in the VTP client mode cannot update its local VLAN database.
B. A trunk link must be configured between the switches to forward VTP updates.
C. A switch in the VTP server mode can update a switch in the VTP transparent mode.
D. A switch in the VTP transparent mode will forward updates that it receives to other switches.
E. A switch in the VTP server mode only updates switches in the VTP client mode that have a higher VTP revision number.
F. A switch in the VTP server mode will update switches in the VTP client mode regardless of the configured VTP domain membership.

Answer : ABD

Cisco Patches Serious Vulnerabilities in Small Business RV Series Routers

Cisco Systems released patches for your Small Business RV Series routers and firewalls,security breaches,conducted by the attacker to execute arbitrary commands on vulnerable devices and deal with overwriting files.

The affected products are RV120W Cisco Wireless-N VPN Firewall,Cisco RV180 VPN Router Cisco Wireless-N Router RV180W multifunction VPN Firewall Security Cisco Wireless Network RV220W. However,the firmware updates have been released only for the first three models,while it is expected that versions of Cisco RV220W later this month.

One of the patched vulnerabilities may allow an attacker to execute arbitrary commands on the Diagnostics page network interface based on the web of a device as root run the highest privileged account management. The results of validation error incorrect entry in a form field that is supposed to exploitation PING command.Its only requires an authenticated session with the router interface.

A second vulnerability allows attackers to conduct cross-site request forgery (CSRF) attacks on users who may already be authenticated in devices.Attackers their authenticated browser sessions,unauthorized actions run back,if this user cheat to click on links designed especially management.

This vulnerability also provides a way to remotely use the first flaw.Researchers the Dutch security company Security, which found the two issues, published a proof of concept URL,the CSRF uses vulnerability to a command by injecting first vulnerability a rogue administrator account created on the target device.

A third vulnerability was patched by Cisco allows an unauthenticated attacker files to arbitrary locations on an affected device with root privileges upload. Existing files are overwritten,the security experts.

Cisco releases firmware version 1.0.4.14 for the RV180 and RV180W models and firmware version 1.0.5.9 for RV120W. Users can limit their exposure to these devices fail by. No remote access via the Internet to their management interfaces If remote administration is required, the setup screen web-access devices can be used to be restricted to certain IP addresses only access, Cisco said in its advisory.

Review: Cisco ASA All-in-One Next-Generation Firewall, IPS, and VPN Services, Third Edition

Cisco Press,over the years,he was known for his certification business books but occasionally,Cisco Press books are also to examine the basic light and limitless imagination certification touch advanced technology and make your work more responsible technologies.With the new found attention given books oriented core technology,there are many authors out there who have and eager to get their hands to write based on real-time technologies to test books.A few examples in the past have been books such as TCP / IP routing.

It is very hard to find to learn multiple technologies to studies of composite resources, but Cisco ASA All-in-One Next-Generation Firewall,IPS,VPN and services,Third Edition is a study of this type resource.Cisco ASA All One in Next-Generation Firewall,IPS,VPN and services,is written by Jazib Frahim Omar Santos and Andres Ossipov is designed to optimize your study time.communication skills are unsurpassed author,concepts so difficult to understand technology.as experts in network security,which are often challenges and this book is a great reference for overcoming these challenges.

This book is a one-stop shop for all professional and goals both entry-level and advanced users.So let's dive deep into the world of Cisco ASA family to understand.The first 16 of 25 chapters,basic introduction ASA security technologies and hardware-ASA,the technical implementation and maintenance of Cisco ASA advance.

Chapter 2 is very impressive and offers information on products like Cisco ASA 5505,5510, 5512 X,X 5520 X 5545 X 5585 ASA models and also contains a summary of information from 6500 Series ASA Services Module ASA 1000V firewall Cloud,ASA AIP modules SSM-Gigabit Ethernet modules,and ASA.The next chapters deal with the technology behind the device firewall ASA including licenses,initial configuration,system maintenance (SSH,password recovery,SNMP, net flow monitoring system) and the hardware architecture.

Chapter 7 is devoted explained AAA services. This chapter AAA protocols and services from Cisco ASA supports described. Here you can learn the configuration of the authentication sessions such as telnet management sessions/SSH /console/ASDM.Chapter 8 explains the traditional forms of access control to the network, offers an explanation in depth, extended, standard ether,Web Art ACLs with advanced features such as time,the object and filtering of ICMP.

The next chapters of ASA core technologies such as network address translation,IPv6, routing protocols,inspection ASA,virtualization and transparent firewall concept are discussed (the best part is, step by step configuration of security contexts and transparent) firewall.Finally,in Chapter 16 makes you feel Availability features configure ASA failover active / standby high utility and features active/active cluster,such as zero-downtime upgrade licenses and cluster management.

Your wait is learning a IPS. Chapter 17 and 18 provide a very objective view of the implementation of the ASA Cisco Intrusion Prevention System with detailed descriptions of all the commands and functions available with output examples,but it's all in a basic functional level.They are too short and feels like it is not so important.

The chapters contain a detailed knowledge of Cisco IPS software and hardware architecture; Here you can learn the mood and monitoring IPS signatures.I like the overview section of botnet traffic filter GUI Steps provide ease of learning and the author also explains the requirements and use of the technologies described in step by step implementation. Useful keywords in bold, so that they can easily understand the information in the first reading.

The next four chapters examine VPN services This section describes features and requirements of VPN services with the best configurations and management are discussed.These four chapters will make you able to deploy and manage from site to site IPsec VPN,remote access IPsec VPNs and SSL VPN,etc,with all the latest features.At advance key get two bonus chapters to learn IP Multicast routing and QoS.Both chapters provide the basics,so it is important to address the implementation of current network security.

After reading this book, you will be able to configure and maintain a Cisco ASA,IPS and VPN services to meet the requirements of your security policy.This comprehensive resource covers the latest features available in Cisco ASA and includes detailed examples of complex configurations and troubleshooting.

If you are an advanced user can use this book as a Command Reference. Beginners can start with an ASA device and I promise,this book really helps and covers most of the things discussed ASA technologies.This book is not limited only to the Cisco ASA devices but also deftly explains various types of network security flaws,weaknesses,points of security breaches and attacks.

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Cisco Systems agreed to remove Edition Firmware updates a rear door of a wireless access point router and two of her later this month.The undocumented feature might not win authenticated attacker administrative access to devices.

The vulnerability was discovered during the Christmas holidays on a Linksys router WAG200G by a security researcher named Eloi Vanderbeken.He found that the device had a service listens on TCP port 32764,and the connection that allows a remote user to send commands without authentication device and reset the administrator password.

By others later reported that same backdoor was present in multiple devices from Cisco,Netgear,Belkin and other manufacturers. In many devices this is not documented interface is accessible only from the local network or WiFi, but on some devices it is also accessible from the Internet.

Cisco identifies the flaw in their WAP4410N Wireless-N Access Point,Wireless -N Gigabit Security Router WRVS4400N and 4- Port Gigabit Router RVS4000 Security.The company is no longer responsible for the Linksys router's consumer division of Belkin since early last year sold.

The vulnerability is caused due to a test interface that can access from the LAN side of the RVS4000 and WRVS4400N router and wireless network device WAP4410N Wi-Fi access point.An attacker could this vulnerability through access to the affected device from the LAN interface and the underlying operating system to use the issue to execute arbitrary commands,Cisco said in a statement released on Friday.An exploit could allow the attacker to access the credentials for the account on the device and read the device settings.

Successful attack allows the attacker to issue arbitrary commands on the device with elevated privileges.
The company said there are no known solutions that could mitigate this vulnerability,in the absence of a firmware update.The SANS Internet Storm Center , a cyber threat monitoring organization , warned earlier this month that she has discovered probes for TCP port 32764 on the Internet, probably targeting this vulnerability.