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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

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

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)

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
NB-IoT bandwidth is 1) 100 KHz 2) 200 KHz 3) 500 KHz 4) 1 MHz
200 KHz
26
SaaS is _________ and SOA is _________ 1) software delivery model, software construction model 2) software construction model, software delivery model
software delivery model, software construction model SOA: Service-Oriented Architecture
27
SaaS accounting and ERP software 1) Salesforce 2) NetSuite 3) WebEx
NetSuite
28
SaaS CRM solution 1) Salesforce 2) NetSuite 3) WebEx
Salesforce
29
IDC Hosting services offered 1) Dedicated Hosting Services 2) Shared Hosting Service 3) both
both
30
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
all of them
31
IDC Monitoring services offered 1) Advanced server monitoring services 2) Capacity management services 3) Server virtualization services
All of them
32
BSNL IDC Capacity management services come under 1) IDC Hosting services 2) IDC Managed services 3) IDC Monitoring services
IDC Monitoring services
33
BSNL IDC Standalone Database Services come under 1) IDC Hosting services 2) IDC Managed services 3) IDC Monitoring services
IDC Managed services
34
BSNL IDC Power Usage Effectiveness (PUE) is 1) 1.0 2) less than 1.5 3) less than 1.7
less than 1.7 (Ideal PUE is 1, which is minimum value)
35
BSNL IDC is _____ certified 1) ISO 2008 2) ISO 27001
ISO 27001 (ISO/IEC 27001 is an international standard to manage information security)
36
BSNL IDC has uptime certification of 1) TIER-I 2) TIER-II 3) TIER-III 4) TIER-IV
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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