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LDCE EB > VPN, SDN, IoT, Bulk SMS, IDC > Flashcards

VPN, SDN, IoT, Bulk SMS, IDC Flashcards

1
Q

Cloud VPN uses the encryption and security protocol
1) IPsec
2) SSL

A

both
uses the same encryption and security protocols as
traditional VPNs

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2
Q

SSL stands for

A

Secure Sockets Layer

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3
Q

typically accessed through a web browser
1) cloud VPN
2) mobile VPN
3) SSL VPN
4) PPTP

A

SSL VPN
- use the same encryption protocols as
HTTPS
- more secure than traditional IPsec

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4
Q

SSL VPN is _________ (more/less) secure than traditional IPsec

A

more secure

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5
Q

PPTP VPN stands for

A

Point-to-Point Tunneling Protocol

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6
Q

PPTP is _________ (more/less) secure than other VPN protocols such as L2TP or OpenVPN

A

less secure

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7
Q

L2TP VPN stands for

A

Layer 2 Tunneling Protocol
- doesn’t require additional software to
be installed on the client’s device
- combination of PPTP and L2F (Layer 2 Forwarding Protocol)

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8
Q

L2TP is _________ (more/less) secure than other VPN protocols such as OpenVPN

A

less secure

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9
Q

TLS stands for

A

Transport Layer Security

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10
Q

SSTP stands for

A

Secure Socket Tunneling Protocol

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11
Q

A VPN protocol developed by Microsoft that uses SSL to secure the connection
1) PPTP
2) L2TP
3) SSTP
4) SSH

A

SSTP: Secure Socket Tunneling Protocol
- only available for Windows

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12
Q

A VPN protocol
1) IKEv2
2) OpenVPN
3) wireguard
4) IPsec

A

all of them

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13
Q

VPN
1) ensures security by providing an encrypted tunnel
2) used to bypass many blocked sites
3) Search engine optimization(SEO) can be done

A

all of them

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14
Q

SDN stands for

A

Software Defined Networking

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15
Q

SDN control plane activities
1) Segmentation and reassembly of data
2) Making routing tables
3) Setting packet handling policies
4) Forwarding of packets

A

2 and 3

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16
Q

SDN data plane activities
1) Segmentation and reassembly of data
2) Making routing tables
3) Setting packet handling policies
4) Forwarding of packets

A

1 and 4

17
Q

in SDN, interface between the application layer and control layer
1) north-bound APIs
2) south-bound APIs

A

north-bound APIs

18
Q

in SDN, interface between the infrastructure layer and control layer
1) north-bound APIs
2) south-bound APIs

A

south-bound APIs

19
Q

M2M is named as _______ in 3GPP

A

Machine Type communication
(Rem: MMTC in 5G)

20
Q

Type(s) of Bulk SMS
1) Transactional bulk sms
2) Promotional Bulk sms
3) both

A

both

21
Q

Buls SMS has
1) API integration
2) SMS attachments
3) set auto replies
4) real-time SMS delivery reports

A

all of them

22
Q

Receive SMS & missed calls on the same number with our dual VMNs (T/F)

A

T

23
Q

3GPP LPWAN standard(s)
1) eMTC
2) NB-IoT
3) EC-GSM-IoT

A

All of them

24
Q

NB-IoT is aimed to operate via
1) GSM
2) unused guard band between LTE
3) independently

A

All of them

25
Q

NB-IoT bandwidth is
1) 100 KHz
2) 200 KHz
3) 500 KHz
4) 1 MHz

A

200 KHz

26
Q

SaaS is _________ and SOA is _________
1) software delivery model, software construction model
2) software construction model, software delivery model

A

software delivery model, software construction model
SOA: Service-Oriented Architecture

27
Q

SaaS accounting and ERP software
1) Salesforce
2) NetSuite
3) WebEx

A

NetSuite

28
Q

SaaS CRM solution
1) Salesforce
2) NetSuite
3) WebEx

A

Salesforce

29
Q

IDC Hosting services offered
1) Dedicated Hosting Services
2) Shared Hosting Service
3) both

A

both

30
Q

IDC Managed services offered
1) Managed Local Load Balancing Services
2) Application Acceleration Services
3) Standalone Database Services
4) Database Clustering Services
5) Cloud Migration, Virtualization and cloud computing service

A

all of them

31
Q

IDC Monitoring services offered
1) Advanced server monitoring services
2) Capacity management services
3) Server virtualization services

A

All of them

32
Q

BSNL IDC Capacity management services come under
1) IDC Hosting services
2) IDC Managed services
3) IDC Monitoring services

A

IDC Monitoring services

33
Q

BSNL IDC Standalone Database Services come under
1) IDC Hosting services
2) IDC Managed services
3) IDC Monitoring services

A

IDC Managed services

34
Q

BSNL IDC Power Usage Effectiveness (PUE) is
1) 1.0
2) less than 1.5
3) less than 1.7

A

less than 1.7
(Ideal PUE is 1, which is minimum value)

35
Q

BSNL IDC is _____ certified
1) ISO 2008
2) ISO 27001

A

ISO 27001
(ISO/IEC 27001 is an international standard to
manage information security)

36
Q

BSNL IDC has uptime certification of
1) TIER-I
2) TIER-II
3) TIER-III
4) TIER-IV

A

3) TIER-III (Concurrently Maintainable) - The site is still exposed to an equipment failure or operator error
TIER-I: Basic Capacity
TIER-II: Redundant Capacity Components
TIER-IV: Fault Tolerant

LDCE EB (4 decks)

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