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WorksheetsN1 Wide Area Networks Prep
Total questions: 19
Worksheet time: 10mins
Which of the following are characteristics of TACACS+? (Select two.)
Allows two different servers (one for authentication and authorization and another for accounting).
Uses UDP.
Uses TCP.
Can be vulnerable to buffer overflow attacks.
Allows three different servers (one each for authentication, authorization, and accounting).
Which of the following technologies uses variable-length packets, adds labels to packets as they enter the WAN cloud, and uses the labels to switch packets and prioritize traffic?
SONET
ATM
ISDN
MPLS
Which of the following are methods for providing centralized authentication, authorization, and accounting for remote access? (Select two.)
TACACS+
EAP
PKI
RADIUS
AAA
Which of the following describe the channels and data transfer rates used for ISDN BRI? (Select two.)
One D channel operating at 64 Kbps.
30 B channels operating at 64 Kbps each.
23 B channels operating at 64 Kbps each.
One D channel operating at 16 Kbps.
Two B channels operating at 64 Kbps each.
Which of the following cellular network types use MIMO to increase 3G data throughput? (Select two.)
WiMAX
LTE
HSPA+
CDMA2000
EDGE
Which of the following describe the EDGE cellular technology? (Select two.)
Is an extension to 3G.
Is the first internet-compatible technology.
Uses MIMO.
Offers speeds of 400 to 1,000 Kbps.
Which of the following correctly describes the T1 carrier system? (Select two.)
A single T1 channel can transfer data at 64 Kbps
T1 lines use 48 separate channels
T1 lines have a maximum data rate of 2.4 Gbps
T1 lines use two pairs of copper wire
T1 lines use four pairs of copper wire
What is the speed of an OC-3 connection?
34 Mbps
622 Mbps
45 Mbps
155 Mbps
Which of the following technologies does GSM use to allow multiple connections on the same frequency?
Frequency-division multiple access
Code-division multiple access
Time-division multiple access
Multiple-input, multiple-output
What does a remote access server use for authorization?
CHAP or MS-CHAP
Usernames and passwords
Remote access policies
SLIP or PPP
Which of the following security functions does CHAP perform?
Links remote systems together
Periodically verifies the identity of a peer using a three-way handshake
Protects usernames
Allows the use of biometric devices
You often travel away from the office. While traveling, you would like to use a modem on your laptop computer to connect directly to a server in your office to access needed files. You want the connection to be as secure as possible. Which type of connection do you need?
Internet
Intranet
Remote access
Virtual private network
Which network type divides transmitted data into smaller pieces and allows multiple communications on the network medium?
Multiplexed
Circuit-switched
Packet-switched
Managed
Which of the following services is available regardless of whether the telephone company network is available?
ISDN
Cable modem
Dial-up
DSL
Which of the following VPN protocols merged with the deprecated Point-to-Point Tunneling Protocol (PPTP) to create L2TP?
IPsec
SSL
Layer 2 Forwarding
TLS
Which of the following internet connection technologies requires that the location be within a limited distance of the telephone company's central office?
Cable modem
DSL
Satellite
Wireless
Which type of internet service uses the DOCSIS specification?
Coaxial cable
Shielded twisted pair
Unshielded twisted pair
Fiber optic
A healthcare organization provides mobile clinics throughout the world. Which network technology should you select to transfer patients' statistical data to a central database via the internet that ensures network connectivity for any clinic located anywhere in the world, even remote areas?
DSL
Dial-up
Cable modem
ISDN
Satellite
A group of salesmen in your organization would like to access your private network through the internet while they are traveling. You want to control access to the private network through a single server. Which solution should you implement?
IPS
VPN concentrator
RADIUS
IDS
DMZ
